June 30, 2025

If you’re hoping to get your book in front of more readers, Amazon Ads is a pretty handy tool. With millions of shoppers searching for books every day, figuring out how Amazon’s ad platform works can be a big step forward. I’ve dug pretty deep into running ads for my own book launches and have found that while there’s definitely a learning curve, the payoff can really make a difference. Here’s my rundown on how to get started, what to expect, and some tricks I’ve learned to help make sure you don’t just throw money at ads with little to show for it.

Stack of books with Amazon Ads dashboard on a tablet

Understanding Amazon Ads for Books: The Basics

Amazon Ads opens up selfserve advertising for indie authors and publishers. If you’ve ever seen a sponsored book in your Amazon search results or a recommendation banner, you’ve already spotted how these ads show up. There are three main Amazon ad types you’ll run into:

  • Sponsored Products: Ads that appear in search results and on book detail pages, targeting keywords and products.
  • Sponsored Brands: Banner ads highlighting an author’s books or a publisher’s catalog. Most useful if you have several titles.
  • Lockscreen Ads (Kindle Only): Ads show up on Kindle screensavers and device home screens.

For most indie authors, Sponsored Products are where you’ll want to start. They’re the simplest to set up and give you the most direct feedback on what’s working or not.

Getting Started With Your First Amazon Book Ad

Before launching into your first campaign, make sure your book’s product page is looking sharp. A compelling cover, a clear blurb, and solid reviews improve ad performance. Here’s what I do when I’m about to set up an ad:

  1. Choose Your Book: Pick a title that’s ready to promote. It helps if you’ve already got some positive reviews.
  2. Pick an Ad Type: Like I mentioned, Sponsored Products are good for beginners.
  3. Set a Budget: Amazon lets you start with as little as $1 a day. I usually go a bit higher—around $5 to $10 daily—so I can see results sooner.
  4. Select Keywords or Products: Try to think like your potential reader. What might they type into the search box? You can target specific books or genres too. It can help to look at bestselling titles in your category and borrow some of their keywords.
  5. Create the Ad: Amazon pulls your cover and description automatically, so setup is pretty quick.
  6. Launch and Monitor: After your ad is live, check in every day or two to see what’s getting clicks and sales. Adjust bids or keywords based on the early data, especially those that aren’t converting.

Staying organised helps a lot. I keep a spreadsheet of campaigns with budgets, dates, and any notes—a trick that makes it a lot easier to spot trends or weird spikes this way. Over time, this record helps in avoiding mistakes and repeating winning strategies. If you’re managing ads for multiple books, color-coding campaigns can also make things clearer at a glance.

What To Watch For When Running Amazon Ads

Amazon Ads aren’t exactly set-and-forget. Performance varies a bunch based on genre, price point, and even time of year. I’ve lost money by letting a campaign run too long with no sales, so it’s really important to track results and adjust as you go. A few tips from my experience:

  • ClickThrough Rate (CTR): This tells you if people are interested enough to click your ad. Low CTR might mean you need better keywords or your cover/blurb isn’t working.
  • Advertising Cost of Sales (ACOS): This shows how much you’re spending per sale. Lower ACOS usually means your ad’s working efficiently. You want this number to be lower than your profit margin for each sale, if possible.
  • Impressions: Shows how many people have seen your ad. If impressions are low, try broader keywords or higher bids.
  • Bidding: Amazon works on a bidding system, so popular keywords cost more. Sometimes a lower bid still gets a few clicks at a great price if you’re patient. Raising your bid just a bit can also help your ad spot appear more frequently, but keep an eye on costs.

Checking your dashboard regularly helps you avoid burning through your budget on ads that aren’t doing anything for you. Make a habit of comparing your daily and weekly numbers—spotting patterns over time can help you game plan future campaigns and adjust quickly if something’s not working out.

Common Challenges and How to Tackle Them

Running Amazon Ads comes with its own set of snags, especially at the start. Here are some roadblocks I’ve run into, along with how I deal with them:

  • Ad Spend Gets High, Sales Don’t Follow: If you see lots of clicks but few sales, double-check your blurb and reviews. Sometimes the ad is working fine, but your product page isn’t convincing readers to buy. Consider updating your blurb, adding editorial reviews, or tweaking the look of your book cover to make the page pop.
  • Keywords Aren’t Converting: I refresh my keyword list every week or two. Stale keywords can quickly eat up money. Amazon’s suggested keywords are worth starting with, but testing your own ideas is super useful. Track which keywords have a high conversion rate and pause or remove those that drain your budget.
  • Genre Competition: Some book categories are tougher than others (like romance or mystery). Targeting niche subgenres or comp authors can help lower costs and find eager readers. Look for trending topics within your genre and use those as additional keyword targets.
  • Ad Fatigue: If a campaign did well for a while, then fizzles, pause it and try something new. Maybe tweak your keywords, adjust your budget, or edit your ad copy (where Amazon allows customisation) to keep things fresh for your audience.

ClickThrough Rates and Book Covers

One thing I’ve noticed is that book covers really do matter. I tested two different covers for the same book and saw a noticeable difference in CTR. If your CTR is under 0.2 per cent, it might be worth thinking about trying a new cover design or updating your book description. Even minor tweaks, like adjusting color contrast or font size, can make your cover more eye-catching during thumbnail browsing on Amazon.

Staying On Top of Your Budget

It’s really easy to overspend without getting the results you hope for. I set hard monthly limits and check ad performance every week. If something isn’t earning back what I’m putting in (measured by ACOS), I pause and reassess. Spending a little extra time on this stuff saves a lot of headaches down the line. Review your overall advertising costs at the end of each month to be sure your efforts are actually giving your book sales a boost instead of just eating into your profits.

Tips for Better Book Promotion With Amazon Ads

Getting better results from your Amazon ads doesn’t always mean spending more money. Here are some tricks I’ve picked up that can help stretch your ad budget:

  • Bid Low And Test Often: Start with lower bids and see what happens before raising your spend. There’s no harm in testing lots of 25 to 50 cent bids on targeted keywords. Don’t be afraid to experiment—sometimes unexpected keywords perform best.
  • Use Negative Keywords: Block keywords that attract clicks but no buyers. For example, if you’re selling a high fantasy novel, setting “children’s book” as a negative keyword helps avoid wasted clicks. Keep updating your negative keyword list based on ad data as you go along.
  • Check Out the Competition: Browse Amazon to see which books dominate the ads in your category. Study their covers, blurbs, and pricing. Sometimes, small tweaks can put you on the same playing field. If you can, track which comp books show up in your search terms reports and consider targeting some of their audience directly.
  • Scale Slowly: Don’t pour hundreds of dollars in until you know what’s working. It’s easier to scale up than claw back lost ad spend. Start with one or two campaigns, then build up as you learn what gives the best return.
  • Use Custom Text in Sponsored Brands: If you have a few books, these ads let you write a short tagline. Testing different taglines can help you draw in the right audience. Keep your taglines clear, descriptive, and hinting at the genre or subgenre of your books to attract your ideal readers.

These little habits have really kept my advertising effective, plus, they save me from getting frustrated or discouraged. Keeping your goals realistic is key—sometimes a successful campaign means just breaking even while building an audience for future releases.

RealWorld Examples: How Authors Have Succeeded

Seeing how other authors handle Amazon Ads always gives me new ideas. For instance, a friend of mine writes cozy mysteries and noticed her ads worked best during the holiday season, so she schedules bigger ad pushes then. Another author found her sci-fi book performed better with autotargeting ads and gradually refined her keywords based on what worked. In nonfiction, an author I know runs short, intense ad bursts during podcast interviews to help capitalise on spikes in interest.

  • Seasonality Matters: Timing your ads around big shopping days or book launches can bring better results. Think about calendar events specific to your genre, like back-to-school in YA or national awareness months in nonfiction.
  • Learning from Trial and Error: Each genre and book behaves differently. Sometimes the only way to know what works is by trying new things and keeping records. Don’t be afraid to experiment and track everything, even if an idea seems out there.

I’ve found author forums like KBoards and the Alliance of Independent Authors (ALLi) also have great discussions about real ad strategies that work in the wild. Working through what others share has shortcut my own learning curve by months. Jumping into these communities and asking about what’s working can reveal tips you’d never stumble upon on your own.

Frequently Asked Questions

How much does it cost to run Amazon Ads for my book?
Amazon lets you set your own budget. I started with $5 a day, but you can go lower while you experiment. You only pay when someone clicks. As you figure out what works, you can turn up your spending a bit on your winning ads.


What kind of results should I expect?
Results can vary a lot based on covers, reviews, keywords, and genre. If you track your campaigns and adjust regularly, you’ll usually start seeing clearer trends in two to four weeks. Most authors need to give it some time and keep an eye on their sales and read-through (for series) to spot true winners.


Can Amazon Ads work for older books?
Yes, but expect it to take a little more effort. Make sure your book is up to date and your product page looks fresh. Sometimes running ads on related new releases in your niche can boost visibility too. If your book is part of a series, running ads on Book One can help breathe life into backlist sales for the rest of your books as well.


Getting the Best Out of Amazon Book Ads

Amazon Ads offers indie authors a powerful way to get books in front of eager readers. Putting some time into careful research, testing, and tweaking campaigns can really help move the needle. Remember to keep your expectations realistic, focus on learning from your results, and don’t be afraid to ask for help in writing communities. With some patience and attention, you can make Amazon Ads a steady part of your book promotion toolkit. If you keep refining your approach, Amazon Ads may become one of your go-to ways to reach new readers and grow your author career.

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