Alfred Kropp series

The Alfred Kropp series is a trilogy of young adult fantasy novels written by American author Rick Yancey. The first book, "The Extraordinary Adventures of Alfred Kropp", received a starred review from "Publishers Weekly", was named a "Publishers Weekly" Best Children's Book of the Year and was a finalist for the Carnegie Medal. The second book, "Alfred Kropp: The Seal of Solomon", received a positive review from "Publishers Weekly" and was released in May 2007. The third book, "Alfred Kropp: The Thirteenth Skull", was already written and on the store shelves for sale, but was announced by Yancey in "Publishers Weekly" in April 2006