Discover an exhilarating world of learning by solving a series of mathematical problems. Finding the answers will enable readers to advance through an exciting

Lost Island was off limits -- until now. Jeff and David are going to the desert island to search for clues. And hidden treasure! Town legend tells of a robber a

Curious Kids Want To Know What's Inside A Cave. Simple Text And Photo Clues Keep The Pages Turning.

It's a race against time to solve the clues and save the Golden Hoard. If you fail, the treasure will be lost forever! Make your way through this thrilling adve

A cave boy gives his grumpy chief an unheard of present for his birthday--and makes him smile. Step Into Reading (Step 1).