Amazon.com: Android for Lego Boost 17101 unofficial instruction (Build Boost Robots — a series of instructions for assembling robots with Boost 17101) eBook : Evdokein, Vladimir, Gergert, Vyacheslav: Kindle Store
Amazon.com: The LEGO BOOST 17101 Building instructions, Vol.2: Bulldozer eBook : miorobo: Kindle Store