The Sisters: Selfie Awareness (The Sisters #4)

Wendy and Maureen are in vacation mode. Wendy loves summer, the beach, and the sun. She loves getting a tan. But her little sister, Maureen, is more annoying than sand in a bathing suit! But a family boat trip makes the siblings appreciate their life on land! Plus, Wendy wants to explore the world... but is she ready to explore the terrifying depths of Maureen's room?