Dinosaurs Before Dark, by Mary Osborne is about two kids named Jack and Annie. One day ,after school, Jack and his sister Annie wondered into the woods, were they find a tree house. The tree house magically traveled to the past to the time of the dinosaurs. Now they have to go to present time before they become a dinosaur's dinner.

I enjoyed reading this book. I wounder how they traveled to the past? I think it was the book that they found that brought them their.

The author of this book is Mary Osborne. She wrote all the Magic Tree House books.