The Hot and Cold Summer

This book is about to friends, Rory and Derek who have known each for most of their life. In the summer the old lady who lives between the two boys, invites her niece to spend the whole summer with her while her parents are in Turkey. Rory who's really bossy and always tells Derek what to do, thinks the idea is awful and doesn't want to be her friend because she's a girl and because his mom told him to. So when she gets there Rory and Derek run away to their friends house who is super boring.