This format, a 48-page nonfiction book with an added bonus of a CD-ROM, is filled with educational -- and fun -- activities designed to tap preschoolers' natural curiosity and foster an interest in learning.With easily navigable screens, spoken directions and games that can be played with one or more people, these book-and-CD-ROM sets are ideal for working alone or with a friend. Windows/Macintosh compatible.Inside this book, there are all kinds of games and puzzles to help young children have fun counting from 1 to 10. The book includes counting, matching, and number pattern activities. Plus children can fill in number sequences and work out their first sums. Altogether, it's the perfect introduction to simple math The CD-ROM is wonderfully integrated with the book, featuring interactive activities that children are sure to enjoy