Top ten pseudonymous books

Josh Lacey is the author of several books for children, including The Island of Thieves, Bearkeeper and the Grk series (published under the name Joshua Doder). His new book, The Dragonsitter, is published in the UK this month.

At the Guardian he named his top ten pseudonymous books. One title on the list:
The Adventures of Huckleberry Finn by Mark Twain

Samuel Langhorne Clemens took his