The Improbable Tales of Baskerville Hall
Young Arthur Conan Doyle faces danger and mystery at a secret school for gifted children.
Book Series · 3 Books
In order from The Improbable Tales of Baskerville Hall to The Valley of Lies.
Young Arthur Conan Doyle faces danger and mystery at a secret school for gifted children.
3 books · Published 2023–2025
Young Arthur Conan Doyle faces danger and mystery at a secret school for gifted children.
Arthur races to solve the mystery of a poisoned Sherlock Holmes at Baskerville Hall.
Arthur must betray Sherlock or risk losing everything to save his sister.
There are 3 books in the Improbable Tales of Baskerville Hall series. It began with The Improbable Tales of Baskerville Hall in 2023, and the newest book, The Valley of Lies, was published in 2025.
Start with The Improbable Tales of Baskerville Hall and follow the series order — the books above are numbered #1 through #3.
The series is best for ages 8–12, based on the age ranges of the individual books.
The Sign of the Five is the longest book in the series at 71,245 words (320 pages).
The Valley of Lies is the shortest at 66,004 words (304 pages).
The authors and illustrators who bring The Improbable Tales of Baskerville Hall to life.
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