Dr Jen Green worked in publishing for 15 years and is now a full-time writer who has written over 200 books for children, on geography, the environment, history, natural history, and other subjects. Her Heinemann-Raintree title on Sustaining Our Natural Resources was selected in 2011 for the Junior Library Guild's SLJ Curriculum Levels program.
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Journey back in time to the age of the dinosaurs, the biggest, scariest creatures the world has ever known. Which dinosaurs hunted in packs like wolves? What was the deadliest dinosaur of them all? Which were the very largest species? Not all dinosaurs we... SEE MORE