- Interfact combines the lively design of an excellent information book with the challenge of an activity-packed CD-ROM to help kids learn all about their favorite subjects.- Fact-filled book contains amazing facts, dazzling photographs and illustrations and a full glossary and index.- Seven interactive features on each disk provide up to 15 hours of activities, games and on-screen adventures.- Clear cross-referencing between book and disk encourages both reading development and computer skills.- Package is compact and ring-bound for ease of use. The book cover is protected by a plastic sleeve to which the disk is attached in a sealed plastic wallet.