Five kids and their robot tour guide take spaceship holiday around the solar system, sending postcards home whenever they stop. Each postcard contains details about the planet visited, as well as some humorous puns. A clever book on the solar system for kids that's "definitely worth having on hand." (Booklist)

Reading Levels:  Interest Level:  Gr. 1-3   /   DRA Level:  38   /   Lexile: AD580L   /  
Grade Level Equiv:  2.9   /   Guided Reading:  N

Sample Pages:  To see what this book looks like on the inside, you can check out this YouTube video of someone reading the book.  It's a little hard to see everything, but it should at least give you an idea: