Slingshot and Burp two pea-shootin , slingshot-totin cowhands on two wheels are on the lookout for action. Bleached bones?Bring em on! Lost outlaws? Let s go! Hidden loot? Yee haw! Rattlesnakes! Scorpions! Ghost cats!Wait, what . . . ? Whoa!Saddled up to battle the boredom of summer, these two double cousins, best friends, and next-door neighbors have fitted themselves out like Old West cowboys to charge boldly (and sometimes bravely) into the southwestern desert that is their backyard.