Ninja Vs. Master Chen (Lego Ninjago) is a book in the Lego Ninjago series written by Sipi, Claire. The book was released in 2016 and is written in English. It is part of the popular Lego Ninjago series, offering readers exciting stories and adventures with the characters from the animated show. Fans of the series will enjoy this installment, which likely features engaging battles and challenging mysteries between the ninjas and their foes.