Pick-your-own-path and puzzle-packed mystery collide in the first book in Lauren Magaziner's hilarious and high-stakes four-book middle grade series in which the reader must help Carlos and his friends put together the clues to save his...

Carlos Serrano has never solved a mystery in his life. And he's counting on you to solve his first one. On the morning of a big investigation that would save her failing detective agency, Carlos's mom gets sick with a nasty flu. But Las...