# Tadabook > Tadabook is a photo book maker that plays like a game. Drop in a whole trip, keep or skip your way through the photos, and get print-ready files for any print shop. - What it is: A photo book maker in your browser that plays like a game - Made for: Trips, birthdays and family years: anything with too many photos - You get: Print-ready PDFs (inside pages, cover, spec sheet) for any print shop - Photo formats: JPEG, PNG, HEIC, WebP, AVIF, TIFF and camera RAW - Books: 23 sizes, 4 bindings, 8 to 200 pages - Layouts: 567 page layouts, from 1 to 25 photos on a page - Sign-in: A link by email, no password. Invite only for now ## Pages - [Tadabook](https://tadabook.app/): what it is, how it works, and a playable demo - [Guides](https://tadabook.app/guides/): practical answers about making and printing photo books ## Guides - [Photo book print specs: bleed, resolution and what a print shop needs](https://tadabook.app/guides/photo-book-print-specs/): The numbers a print shop asks for when you bring your own photo book files: 3 mm bleed, 300 ppi photos, safe margins, page counts and the spine. - [How to make a photo book from thousands of photos](https://tadabook.app/guides/photo-book-from-thousands-of-photos/): A way through a trip’s worth of photos that does not take a weekend: sort by day, settle the look-alikes, pick favourites, and let them shape the pages. - [How many photos should a photo book have?](https://tadabook.app/guides/how-many-photos-in-a-photo-book/): A rule of thumb for photos per page and per book, with the arithmetic for 20, 40 and 80 pages. ## Optional - [Everything on one page](https://tadabook.app/llms-full.txt): the questions and answers and the full text of every guide