Blazers. Extinct monsters

"Simple text and illustrations describe Phorusrhacos, how they lived, and how they became extinct"--Provided by publisher.

Simple text and illustrations describe phorusrhacos, how they lived, and how they became extinct.

Simple text and illustrations describe sabertooth cats, how they lived, and how they became extinct.

Simple text and illustrations describe Megalania, how they lived, and how they became extinct.

Simple text and illustrations describe cave bears, how they lived, and how they became extinct. Includes a glossary, suggestions for further reading, related Web sites, and an index.