This fun and educational set includes 40 books from the Real Kids! Real Places! Mystery series, 14 books from the Around the World in 80 Mystery series, 6 books from the Masters of Disasters series, 3 books from the Three Amigos series, 3 books from the Criss, Cross, Applesauce series, 4 books from the Pretty Darn Scary Mysteries series, 3 books from the Postcard Mysteries series, 3 books from the Fantasy Field Trip series, and 2 books from the Awesome Mysteries. Each mystery includes SAT words, educational facts, fun and humor, Built-In Book Club and activities. Each Carole Marsh Mystery has an Accelerated Reader quiz, a Lexile Level, a Fountas & Pinnell guided reading level and a Developmental Reading Assessment.

What happens when you mix together curious kids, postcards addressed to mysterious names, and parents that own an RV? These exciting new mysteries will take kids, ages 7-14, around the United States in a beat-up RV that is always gassed up and ready to go.

Take a trip with Peter and Piper Post to Key West to solve the postcard pirate pen pal puzzle.

The Postcard Family kids intercept a postacrd addressed "Dear Bats" and head off to visit a famous, enormous, bat-filled cave to try to solve the postcard mystery.

The Postcard Family intercepts a mysterious postcard message that starts out "Dear Alien" and sets off on a search for extraterrestrial intelligence to find out if a little green man is behind the suspicious postcard.