Camp Diggin is almost bankrupt. Mr. Prill, who runs the camp, tries to raise cash to save his camp. Tim and Kim end up at Camp Diggin to dig for fossils. A black box on its way to trash brings Tim and Kim to a land of adventure with a T-Rex and a Mom Duckbill. Can Tim and Kim help Mr. Prill save the camp with some support from the friendly dinosaurs? Back To The Past has 22 chapters and over 7000 words. This is Book #3 in the...