How to Make a Book Trailer That Sells Your Book (2026 Guide)

Do book trailers actually sell books?

A trailer will not rescue a weak cover or blurb, and on its own it rarely drives a flood of sales. Where trailers work is on video-first platforms such as TikTok, Instagram Reels and YouTube Shorts, where short video is the native format and a strong one can reach readers who would never see a static post. Results vary widely from author to author, and nobody can promise you a number.

Think of a trailer as an advertisement and a piece of reusable social content, not as an essential step of publishing. If you already post video, a trailer gives you a polished centrepiece for launch week. If you do not, and your cover, blurb and reviews are still weak, your time is better spent fixing those first.

The honest upside is reuse. One trailer can be cut into several short clips, used as an ad creative, sent to your mailing list and pinned on your profiles. That is a lot of mileage from one afternoon of work.

How long should a book trailer be?

Short. For social media, 15 to 45 seconds is a good target, because viewers decide within the first two or three seconds whether to keep watching. A longer cut of 60 to 90 seconds can work on a website or YouTube, but there is rarely a reason to go beyond that.

Make the first seconds count. Open with the hook, the most intriguing line or image, not with your name, a logo or a slow fade in. Put the title and cover near the end, once the viewer is interested.

Aim for a pace of one new image or line of text every two to three seconds. If a shot sits still for longer than that without a reason, cut it or add movement.

How do you write a book trailer script?

Write it like your blurb, but shorter. A trailer has room for a hook, the core conflict and the stakes, then the cover and a call to action. Aim for a handful of short lines of on-screen text or narration, not paragraphs. If you have not written your blurb yet, do that first and lift the best lines from it.

• Hook: one line that creates a question or a feeling.
• Conflict: who wants what, and what stands in the way.
• Stakes: what happens if they fail.
• Close: the title, the cover, and where to buy or the release date.

Sell the mood and genre rather than the plot. A thriller trailer should feel tense, a romance trailer warm or charged, a fantasy trailer vast and strange. The viewer should know the genre within seconds.

Here is a simple shot-by-shot plan for a 30-second trailer: 0 to 3 seconds for the hook line over your strongest image; 3 to 12 seconds for the character and what they want; 12 to 22 seconds for the threat and the stakes, with the music building; 22 to 30 seconds for the cover, the title and one clear call to action. For non-fiction, swap the conflict for the reader's problem and the stakes for what changes once they apply your book.

What visuals and music should you use?

Use visuals that match your cover and genre so the trailer and the book feel like one brand. Stock video, illustrated scenes, animated text, atmospheric footage and your cover art all work, as long as everything you use is licensed for commercial use. Read the licence rather than assuming, because some free libraries restrict use in advertising. AI-generated visuals can also work, but keep them consistent in style so the trailer does not look patched together, and check the terms of the tool you use.

Avoid showing real people in ways that could mislead readers about who your characters are, and be wary of stock footage that appears in many other trailers. Text on screen should be large, high contrast and kept inside the safe area, because platform buttons and captions cover the edges of a vertical video.

Music drives the emotion of a trailer, but popular songs are not safe to use, even briefly. Use royalty-free music with a licence that covers commercial use, or the licensed sound libraries built into social platforms, which are generally cleared only for use on that platform. Platform libraries often do not cover paid ads, so check before you promote a post. Keep a record of where each track and clip came from in case a claim is ever made.

Also add captions. Many people watch with the sound off, so your hook should work as text alone.

What tools can you use to make one?

You do not need professional editing skills. Free and low-cost video editors, template-based design tools and phone apps can all produce a clean trailer from stock clips, text and your cover. Pick whichever you will actually finish. The best tool is the one that lets you export several sizes without rebuilding the video each time.

Some book publishing platforms, CruxOne among them, include a book trailer feature alongside other marketing content, which can save time if you already use one for your book. If you prefer full control, a general video editor works fine, or you can hire a freelancer for a polished result. Ask to see examples in your genre, and agree what files and formats you will receive.

Whichever route you choose, build the trailer in vertical first. It is much easier to crop a vertical video for a wider screen than the other way round, and vertical is where most of your viewers will be.

Where should you use your trailer, and how do you know it works?

Post vertical (9:16) versions on TikTok, Instagram Reels and YouTube Shorts, where short video gets the most reach. Use a horizontal or square version on your website, your author pages and YouTube. A trailer also makes a strong ad creative, and it is worth sending to your mailing list and advance readers at launch. Pin it to your social profiles while the book is new, so every visitor sees it first.

To judge results, look at how long people watch rather than only views. If most viewers leave in the first three seconds, rewrite the hook. If they watch to the end but do not click, strengthen the call to action or check that the link is easy to find. Test two or three different hooks on the same footage and keep the one that holds attention best.

Track clicks to your book page with a trackable link where the platform allows it, and compare sales or sign-ups in the days after each post. Do not expect one video to change everything. Treat the trailer as one tested piece of a wider launch plan, then repeat what works.

Frequently asked questions

How long should a book trailer be?

15 to 45 seconds for social media, and no more than 60 to 90 seconds for a website or YouTube. Open with the hook in the first seconds.

Do book trailers increase sales?

On their own they rarely do. On video platforms like TikTok, Reels and Shorts a strong trailer can reach readers a static post never would. Results vary.

Can I use popular songs in my book trailer?

No. Use royalty-free music licensed for commercial use, or the sound libraries built into each platform, and check whether they cover paid ads.

What format should a book trailer be?

Vertical 9:16 for TikTok, Reels and Shorts, and horizontal or square for websites and YouTube. Build vertical first, then adapt.

What should a book trailer include?

A hook, the core conflict, the stakes, then the title, the cover and where to buy or the release date. Add captions for viewers watching without sound.