Richie Millstone, the Firewater Dragon & the Gemstone Cities

Richie Millstone, the Firewater Dragon & the Gemstone Cities is the second book in a ten-part series. It takes off where the first left off. Richie and his companions are trapped on a time machine ship lost far from home. They long to get back but are enjoying the adventure. The kids unwittingly get into all kinds of shenanigans as they try to return home. In the first book, they visited Mars of t...