num_pages: 240
description: When their father accepts a new job in England, July, Liberty, and their family find themselves exploring the foggy streets of London. The twins try to discover the source of the voice only they can hear--a voice that needs their help. Using telepathy and their individual talents, the twins uncover a long-lost manuscript of Sir Arthur Conan Doyle’s, along with the ghost of Sherlock Holmes’s forgotten twin brother.
language: English
title: Double Trouble Squared
titlecomplete: Double Trouble Squared
characters: Molly Starbuck, Liberty Starbuck, July Starbuck, Charly Starbuck
genres: Middle Grade, Young Adult, Childrens, Novels, Mystery Thriller, Fiction, Fantasy, Juvenile, Mystery
ratings_count: 183
places: London, England
series: Starbuck Family Adventure
publisher: Houghton Mifflin Harcourt