About the Book 120 pages for planning the entire year! Unique pages for planning Early Childhood Interest Centers! Sample plan pages and numerous helpful hints included!. Easy to use 9 1/2" x 12" size! Book Synopsis 120 pages for planning the entire year! Unique pages for planning Early Childhood Interest Centers! Sample plan pages and numerous helpful hints included!. Easy to use 9 1/2" x 12" size! Specifically designed for the preschool teacher! Unique pages for planning early childhood interest centers.