There are 4 books in the The Mary Finch Mysteries series. The newest book is Mary Finch Endgame which came out in 2022.

1
Mary Finch and the Thief

Book cover of Mary Finch and the Thief
Meet thirteen-year-old Mary Finch – a bold, determined heroine, and the star of a stylish new detective series. Perfect for fans of classic crime fiction.

Mary Finch and the Thief is the first in the Mary Finch Mystery series. It is 1893 and Mary Finch finds herself on the gritty…
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2
Mary Finch and the Grey Lady

Book cover of Mary Finch and the Grey Lady

"THIS IS THE DAY WE AWOKE DEATH," Mrs Grady said.

Meet thirteen-year-old Mary Finch - a bold, determined heroine, and the star of a stylish new detective series.

The avenging spirit of a priestess to an Egyptian queen, the Grey Lady, has murdered five people and now has her sights…

3
Mary Finch and the Spy

Book cover of Mary Finch and the Spy
A fast-paced historical mystery adventure for readers aged 11+ set in the world of Sherlock Holmes.Perfect for fans of Enola Holmes, Sherlock Holmes and classic crime fiction.

This is the third of the Mary Finch Mysteries, a follow up to Mary Finch and the Thief and Mary Finch and the…

4
Mary Finch Endgame

Book cover of Mary Finch Endgame

Another thrilling instalment of the Mary Finch Mysteries! Perfect for fans of Enola Holmes, Sherlock Holmes and classic crime fiction.

As Christmas 1893 approaches, the future looks bright for Mary Finch. No longer a maid, she is about to take up employment in the most secretive of places when an…