What is the smallest perfect bound book you can produce? July 12, 2019 19:49 Follow The smallest perfect bound book we can produce is 3.5" x 2" (open size of 7" x 2"). Related articles What is the thickest perfect bound book you can produce? What is the largest perfect bound book you can produce? Inside Pages Setup for a Perfect Bound Book What are perfect bound books? Can I order perfect bound booklets with blank inside pages?