Thea Stilton · Book 10

Thea Stilton and the Secret of the Old Castle

by Elisabetta Dami

Published
1 January 2012
Type
novel

All Thea Stilton books in order

About this book

Thea Stilton and the Secret of the Old Castle, the tenth book, opened the series' 2012 releases, one installment in what has grown into one of the largest satellite series in the wider Geronimo Stilton universe.

Its place in Thea Stilton

Thea Stilton and the Secret of the Old Castle is book 10 in the Thea Stilton series. It follows Thea Stilton and the Ice Treasure. It is followed by Thea Stilton and the Blue Scarab Hunt. See the full Thea Stilton reading order.

Thea Stilton is Geronimo's globe-trotting sister -- a special correspondent for The Rodent's Gazette who would rather be jumping out of a plane over the Amazon than sitting at a desk. Where Geronimo's own series sends a reluctant hero into adventure against his will, Thea's spin-off flips the formula: she's the one seeking out danger, alongside the five students of Mouseford Academy known as the Thea Sisters -- Colette, Nicky, Pamela, Paulina and Violet -- who travel the world solving mysteries, chasing legends…