It's Space Week at Camp Dakota! The first team to answer three astronomy riddles will get to attend a top secret "big event." With space ace Angie leading them, team Astro Explorers is a shoo-in for first place. So why is team Star Troopers solving the riddles first? The Astro Explorers had better think fast if they want the big prize.

Look in the back of the book for experiments and more to help you become a science detective too!