"In this book, readers are introduced to Pluto"--

What has one head, sometimes has tails, and orbits the Sun? A comet! These giant balls of ice, mixed with rock and dust, orbit the Sun. When they are very far from it, they have no tails. When they get closer to the Sun, they heat up and give off a cloud of gases and dust--and form tails. Early readers will be taken on a journey through outer space in simple yet captivating text as they learn these and other fascinating facts about comets. Each 24-page...

Which planet is often called the "red planet"? Mars! It got this nickname because it's covered with red rocks and dust. Mars is also known for having the largest mountain in the solar system. Called Olympus Mons, it's three times taller than Mount Everest! Early readers will be taken on a journey through outer space as they learn these and other fascinating facts about Mars. Each 24-page book features controlled text with age-appropriate vocabulary...

"In this book, readers are introduced to the planet Saturn."--

"In this book, readers are introduced to the planet Uranus"--