John G. Head Books
When dinosaurs ruled
By John G. Head
On their Space-Time Shuttle tour of the prehistoric world, a brother and sister land in the Jurassic Period where they see the largest and most ferocious land animals that have ever lived.
Read MoreGreat Ice age
By John G. Head
A brother and sister travel back in time to several epochs in the Cenozoic Era and observe a variety of prehistoric mammals in their natural environment.
Read MoreDeath of the dinosaurs
By John G. Head
A brother and sister travel back in time to the end of the Cretaceous Period and observe many species of dinosaurs, as well as some early mammals.
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