Now in paperback, a second comic case to test the brains and bravery of the intrepid Wollstonecraft detectives--Ada Bryon Lovelace and Mary Shelley.

The Wollstonecraft Detective Agency was supposed to be a secret constabulary, but after the success of their first case, all of London knows that Lady Ada and Mary are the girls to go to if you have a problem.

Their latest case is a puzzler indeed: A dead father, a missing will, an escaped lunatic, and a hasty engagement. How does it all connect? With the help (and sometimes hindrance) of their sisters Jane and...

History, mystery, and science collide in a new series for middle-grade readers, perfect for fans of The Mysterious Benedict Society and Lemony Snicket

Jordan Stratford imagines an alternate 1826, where Ada Lovelace (the world's first computer programmer) and Mary Shelley (author of Frankenstein) meet as girls and form a secret detective agency

Lady Ada Byron, age eleven, is a genius. Isolated, awkward and a bit rude--but a genius. Mary Godwin, age fourteen, is a romantic. Adventurous, astute, and kind, Mary is to become Ada's...

In this Masterpiece Adventure, the second in a chapter book series for younger readers from bestselling author Elise Broach, Marvin the beetle is going collecting with his family. All is good and well until Uncle Albert gets hurt. Marvin needs James's help to save Uncle Albert before it's too late.

James to the Rescue captures the miniature world of Marvin the beetle and his special friendship with James.