Kidnapped at Birth?
Louis Sachar
Red-haired Marvin is convinced that the reason he looks different from the rest of his family is that he is really the lost prince of Shampoon.

by Morris Gleitzman (2007)
Angus dreams of being bold, brave, wild and free. Like the pirate in the stories he tells his younger brother and sister. Instead Angus is just plain tired from changing nappies and wiping food off walls. His Mum calls him Mr Dependable, but Angus can barely cope. Another baby would be a disaster. So Angus comes up with a plan to stop his Mum getting pregnant. That's when he meets Rindi, and Angus thought he had problems! Suggested level: primary, intermediate, junior secondary.
Louis Sachar
Red-haired Marvin is convinced that the reason he looks different from the rest of his family is that he is really the lost prince of Shampoon.
Astrid Lindgren
Jonas, Maria, and Lotta, the rambunctious and unpredictable Nyman children, have a year of roughhouse adventures and prove that, while they are around, anything can happen.
Thera S. Callahan
When a brother and sister run out of tape while tryng to wrap their dad's birthday present, they use various other sticky substances to make the paper stick.
Phyllis Reynolds Naylor and Lura Schield Reynolds
Maudie, one of a large family growing up in Iowa in the early 1900s, seems to attract nothing but trouble when all she wants is to be noticed for herself; and when a crisis hits the family she finally accomplishes this in the best way possible.