12 books in series

Henry and Mudge

Henry and Mudge is a 12-book series with 12 primary works first released in 1987 with contributions by Suçie Stevenson and Cynthia Rylant.

Henry and Mudge: The First Book
Henry and Mudge Under the Yellow Moon
Henry and Mudge in the Sparkle Days
Henry and Mudge and the Happy Cat
Henry and Mudge and the Bedtime Thumps
Henry and Mudge and the Snowman Plan
Henry and Mudge and Annie's Perfect Pet: Ready-to-Read Level 2
Henry and Mudge and Mrs. Hopper's House
Henry And Mudge And The Wild Goose Chase
Henry and Mudge and the Tumbling Trip
Henry and Mudge and the Big Sleepover
Adventures of Henry and Mudge: Best Friends Forever