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cover image of Bald Eagle

Bald Eagle

21st Century Skills Library: Road to Recovery (Series)

Susan H. Gray Author
(2014)

cover image of Allosaurus

Allosaurus

Introducing Dinosaurs (Series)

Susan H. Gray Author
Robert Squier Illustrator
(2009)

cover image of Ammonoids

Ammonoids

Exploring Dinosaurs and Prehistoric Creatures (Series)

Susan H. Gray Author
(2005)

cover image of Ankylosaurus

Ankylosaurus

Introducing Dinosaurs (Series)

Susan H. Gray Author
Robert Squier Illustrator
(2009)

cover image of Apatosaurus

Apatosaurus

Introducing Dinosaurs (Series)

Susan H. Gray Author
Robert Squier Illustrator
(2009)

cover image of Archaeopteryx

Archaeopteryx

Exploring Dinosaurs and Prehistoric Creatures (Series)

Susan H. Gray Author
(2005)

cover image of Coelophysis

Coelophysis

Exploring Dinosaurs and Prehistoric Creatures (Series)

Susan H. Gray Author
Todd Marshall Illustrator
(2004)

cover image of Compsognathus

Compsognathus

Introducing Dinosaurs (Series)

Susan H. Gray Author
Robert Squier Illustrator
(2009)

cover image of Diplodocus

Diplodocus

Exploring Dinosaurs and Prehistoric Creatures (Series)

Susan H. Gray Author
Todd Marshall Illustrator
(2004)

cover image of Glyptodonts

Glyptodonts

Exploring Dinosaurs and Prehistoric Creatures (Series)

Susan H. Gray Author
(2005)

cover image of Ichthyosaurs

Ichthyosaurs

Exploring Dinosaurs and Prehistoric Creatures (Series)

Susan H. Gray Author
(2005)

cover image of Iguanodon

Iguanodon

Exploring Dinosaurs and Prehistoric Creatures (Series)

Susan H. Gray Author
Todd Marshall Illustrator
(2004)

cover image of Iguanodon

Iguanodon

Introducing Dinosaurs (Series)

Susan H. Gray Author
Robert Squier Illustrator
(2009)

cover image of Maiasaura

Maiasaura

Introducing Dinosaurs (Series)

Susan H. Gray Author
Robert Squier Illustrator
(2009)

cover image of Mammoths and Mastodons

Mammoths and Mastodons

Exploring Dinosaurs and Prehistoric Creatures (Series)

Susan H. Gray Author
(2005)

cover image of Oviraptor

Oviraptor

Introducing Dinosaurs (Series)

Susan H. Gray Author
Robert Squier Illustrator
(2009)

cover image of Pelycosaurs

Pelycosaurs

Exploring Dinosaurs and Prehistoric Creatures (Series)

Susan H. Gray Author
(2005)

cover image of Psittacosaurus

Psittacosaurus

Exploring Dinosaurs and Prehistoric Creatures (Series)

Susan H. Gray Author
(2004)

cover image of Pterosaurs

Pterosaurs

Exploring Dinosaurs and Prehistoric Creatures (Series)

Susan H. Gray Author
(2005)

cover image of Saber-Toothed Cats

Saber-Toothed Cats

Exploring Dinosaurs and Prehistoric Creatures (Series)

Susan H. Gray Author
(2005)

cover image of Stegosaurus

Stegosaurus

Exploring Dinosaurs and Prehistoric Creatures (Series)

Susan H. Gray Author
Todd Marshall Illustrator
(2004)

cover image of Stegosaurus

Stegosaurus

Introducing Dinosaurs (Series)

Susan H. Gray Author
Robert Squier Illustrator
(2009)

cover image of Triceratops

Triceratops

Exploring Dinosaurs and Prehistoric Creatures (Series)

Susan H. Gray Author
Todd Marshall Illustrator
(2004)

cover image of Trilobites

Trilobites

Exploring Dinosaurs and Prehistoric Creatures (Series)

Susan H. Gray Author
(2005)

cover image of Troodon

Troodon

Exploring Dinosaurs and Prehistoric Creatures (Series)

Susan H. Gray Author
(2004)

cover image of Tyrannosaurus Rex

Tyrannosaurus Rex

Introducing Dinosaurs (Series)

Susan H. Gray Author
Robert Squier Illustrator
(2009)

cover image of Velociraptor

Velociraptor

Introducing Dinosaurs (Series)

Susan H. Gray Author
Robert Squier Illustrator
(2009)

cover image of Arctic Tern Migration

Arctic Tern Migration

21st Century Junior Library: Marvelous Migrations (Series)

Susan H. Gray Author
(2020)

cover image of Caribou Migration

Caribou Migration

21st Century Junior Library: Marvelous Migrations (Series)

Susan H. Gray Author
(2020)

cover image of Emperor Penguin Migration

Emperor Penguin Migration

21st Century Junior Library: Marvelous Migrations (Series)

Susan H. Gray Author
(2020)

cover image of Great White Shark Migration

Great White Shark Migration

21st Century Junior Library: Marvelous Migrations (Series)

Susan H. Gray Author
(2020)

cover image of Humpback Whale Migration

Humpback Whale Migration

21st Century Junior Library: Marvelous Migrations (Series)

Susan H. Gray Author
(2020)

cover image of Ruby-Throated Hummingbird Migration

Ruby-Throated Hummingbird...

21st Century Junior Library: Marvelous Migrations (Series)

Susan H. Gray Author
(2020)

cover image of Wildebeest Migration

Wildebeest Migration

21st Century Junior Library: Marvelous Migrations (Series)

Susan H. Gray Author
(2020)

cover image of Frog

Frog

My Early Library: My Life Cycle (Series)

Susan H. Gray Author
Jeff Bane Illustrator
(2021)

cover image of Lion

Lion

My Early Library: My Life Cycle (Series)

Susan H. Gray Author
Jeff Bane Illustrator
(2021)

cover image of Maple Tree

Maple Tree

My Early Library: My Life Cycle (Series)

Susan H. Gray Author
Jeff Bane Illustrator
(2021)

cover image of Mayfly

Mayfly

My Early Library: My Life Cycle (Series)

Susan H. Gray Author
Jeff Bane Illustrator
(2021)

cover image of Monarch Butterfly

Monarch Butterfly

My Early Library: My Life Cycle (Series)

Susan H. Gray Author
Jeff Bane Illustrator
(2021)

cover image of Robin

Robin

My Early Library: My Life Cycle (Series)

Susan H. Gray Author
Jeff Bane Illustrator
(2021)

cover image of American Bullfrogs Invade Swamps and Ponds

American Bullfrogs Invade...

21st Century Junior Library: Invasive Species Science: Tracking and Controlling (Series)

Susan H. Gray Author
(2021)

cover image of American Minks Invade the United Kingdom

American Minks Invade the...

21st Century Junior Library: Invasive Species Science: Tracking and Controlling (Series)

Susan H. Gray Author
(2021)

cover image of Burmese Pythons Invade the Everglades

Burmese Pythons Invade the...

21st Century Junior Library: Invasive Species Science: Tracking and Controlling (Series)

Susan H. Gray Author
(2021)

cover image of Eastern Gray Squirrels Invade European Habitats

Eastern Gray Squirrels Invade...

21st Century Junior Library: Invasive Species Science: Tracking and Controlling (Series)

Susan H. Gray Author
(2021)

cover image of Murder Hornets Invade Honeybee Colonies

Murder Hornets Invade...

21st Century Junior Library: Invasive Species Science: Tracking and Controlling (Series)

Susan H. Gray Author
(2021)

cover image of Northern Snakeheads Invade Ponds and Watersheds

Northern Snakeheads Invade...

21st Century Junior Library: Invasive Species Science: Tracking and Controlling (Series)

Susan H. Gray Author
(2021)

cover image of Nutrias Invade Marshes and Waterways

Nutrias Invade Marshes and...

21st Century Junior Library: Invasive Species Science: Tracking and Controlling (Series)

Susan H. Gray Author
(2021)

cover image of Paleontology

Paleontology

True Book: Earth Sciences (Series)

Susan H. Gray Author
(2021)