Friendship books are small booklets made by stapling paper together, or are sometimes just sheets or strips of paper. Wikipedia

The album amicorum was an early form of the poetry book, the autograph book and the modern friendship book. Wikipedia

A collection of friends' signatures and drawings Wikipedia Disambiguation

bound collections of autographs, writings, paintings, and drawings collected by the owner from their friends and acquaintances Wikidata

A decorative stapled booklet or similar, made by an individual who writes their name, address, interests etc. inside and gives it to a friend or pen pal. The book is passed on from one person to another, each adding their own details, and eventually returned to the originator. Wiktionary