Spies

A Court of Wings and Ruin

Sarah J. Maas

Water Knife

Almarie Guerra, Paolo Bacigalupi

Spy school

Stuart Gibbs

Stormbreaker (Alex Rider Adventure)

Anthony Horowitz

The spy and the traitor: the greatest espionage story of the Cold War

Ben Macintyre

Projekt 1065

Alan Gratz

The Hardy Boys: The Secret of the Caves

Franklin W. Dixon

Rudyard Kipling's Kim

Kipling, Rudyard

Geronimo Stilton, secret agent

[text by] Geronimo Stilton ; [illustrations by Cleo Bianca and Christian Aliprandi].

Code name Verity

Elizabeth Wein