Did the Cats Do It? First Mysteries interactive books for kids 4-8

This Case Is Hairy: A Funny Cat Mystery Kids Can Help Solve (Ages 4-8) (Did The Cats Do It?), by Janice Garden Macdonald
This Case is Oozy: A Funny Cat Mystery Kids Can Help Solve Ages 48) (Did The Cats Do It?), by Janice Garden Macdonald
This Case Stinks: A Funny Mystery Kids Can Help Solve (Ages 48), by Janice Garden Macdonald
This Case Rocks: A Funny Cat Mystery Kids Can Help Solve (4-8) (Did The Cats Do It?), by Janice Garden Macdonald
This Case Is Slippery: A Funny Cat Mystery Kids Can Help Solve (Ages 48) (Did The Cats Do It?), by Janice Garden Macdonald
This Case Is Sticky: A Funny Mystery Kids Can Help Solve (Ages 4-8) (Casey's Case Files Book 2), by Janice Garden Macdonald