childrens books : Amazing Facts about Volcanoes (Great Book for Kids) (Ages 6 - 12)

National Geographic Readers: Volcanoes

Volcanoes: The Kid's Book of Fun Facts and Cool Pictures

Volcanoes For Kids - Learn Fun Facts About Volcanoes Erupting, Volcanoes Around The World & Much More! (Volcanoes and Earthquakes)

Children Book : Amazing Facts about Whales (Great Book for Kids) Animals > Mammals (Ages 4 - 12) (Animal Habitats and Books for Early/Beginner Readers 3)

National Geographic Readers: Planets

Volcanoes - Why Do They Happen?: Volcanoes for Kids (Children's Earthquake & Volcano Books)

Kids Want To Know About Mysterious Places: A Childrens Book Ages 9-12 (Kids Want To Know About Series 4)

Childrens Book : Amazing Facts about the MOON (Great knowledge book for kids) (Ages 4 - 9)

Oceans Of The World In Color: Marine Life and Oceanography for Children