Queste
Angie Sage
Septimus Heap (4)
The Official Raspberry Pi Projects Book
The Pi Education Team
Raspberry Pi Projects (1)
The Secret Warning
Franklin W. Dixon
The Hardy Boys (17)
On the origin of species by means of natural selection
Charles Darwin & Joseph Carroll
The virtue of selfishness: a new concept of egoism
Ayn Rand; Nathaniel Branden