Lucy in the Sky  (English, Paperback, Brinkman Kiara)

It's the first day of seventh grade, and everything is going down hill for Lucy Sutcliffe. At school, her friends seem to be leaving her behind. At home, her single father is in a rut, and her perpetually wandering journalist mother is more absent than ever. Worse of all, Lucy's beloved grandmother is undergoing chemotherapy and is no longer the vital, unflagging presence that her family has come to depend on.Then Lucy discovers the Beatles, gets a drumset, and decides to form a rock band. Things are suddenly looking up.