It’s 1775, and Lettice Breech is itching to go on another adventure.
But her beloved Pa is sick, and their home is in danger. Letty needs money. She needs treasure.
So, when a mysterious socialite appears in London, promising more treasure than she can imagine, Letty finds herself embroiled in a thrilling new mystery right in her home city.
Baffling poems, puzzling clues in dictionaries, and curious notes from a mysterious group known only as The Alphabetters lead Letty on a whirlwind adventure through the streets of London.
And then there is — nearly – a murder.
Can Letty use her deductive skills to unravel the mystery of the word thieves?
Letty and the Mystery of the Word Thieves by Penny Boxall is published on 28 May, 2026. This book is aimed at readers aged nine to 12.
See what other historical fiction is coming out in 2026 in our summary of over 150 books published this year.
