"Roommates Skunk and Badger head out on a rock-finding expedition that becomes much more dangerous than they ever expected"--

"Eleven-year-olds Tripti Kapoor, a feisty "word nerd" from Massachusetts, and Sam Cohen, a shy, imaginative, budding geologist from California, are both miserable at Camp Dilloway, a summer camp in upstate New York. On the last night of camp, they follow a shooting star to a quiet creek. There they find two silvery rocks glowing in the night. They each take one home, and their long-distance friendship begins. It's soon clear that these are no ordinary...

With all the endless, creative fun a child can have with a rock, the best thing one can do with one is to share it with a friend. Includes facts about rocks and rock collecting.

"Lubna's best friend is a pebble. Pebble always listens to her stories. Pebble always smiles when she feels scared. But when a lost little boy arrives in the World of Tents, Lubna realizes that he needs Pebble even more than she does." -- From dust jacket.

Drawing on the author's memories of her youth, a girl recalls the special summer spent in Michigan with her yarn-spinning father and a magic rock.