The Early Bird: Ocean book by Evan-Moor based on the central "Ocean" theme. This book comes along with comprehension activities that integrate reading, language, and math skills. With the help of this book, students will work on themes relating to the ocean plants and animals, protecting the ocean life and more. The Early Bird: Ocean book included 64 pages with answer key and cut-out flashcards. This book is suitable to those childs whose age is 4 and 4+.