This collection of time-tested riddles and knock-knock jokes from Highlights will trigger a laugh attack every time kids open them, and hilarious illustrations by Kelly Kennedy add to the fun. Kids love jokes, and this is a great joke book for kids ages six and up! This book will give kids a great way to entertain themselves and others while helping them develop an understanding of humor, which is an important social developmental skill. The forth book in the Laugh Attack series, this book is sure to be a delight. With a wealth of jokes and riddles, these joke books are perfect for sharing laughs with family and friends. From food to countries, more than 500 side-splitting knock-knock jokes will keep kids laughing for hours. All jokes are age-appropriate, wholesome, and great for kids to share with family, friends and anyone who needs a laugh!