Mr. Tiffin and his students explore skip counting and estimation in a fun pumpkin-themed classroom experiment! This book makes a wonderful read-aloud companion

Join Mr. Tiffin and his students on a trip to a natural history museum and learn all about dinosaurs and the scientists who discovered them! Mr. Tiffin and his

Mr. Tiffin and his students from the perenially popular How Many Seeds in a Pumpkin? are back in this picture book about a school trip to an apple orchard! In t

Mr. Tiffin and his students from the perennially popular How Many Seeds in a Pumpkin? and The Dinosaur Expert make friends with, Librarian Beck a new character