Mega Ninja Mini Adventure: Attack of Spiky Giants from the Sun. Continuation from the Mega Ninja series. After fireballs hit earth Mega Ninja finds out he is in for a battle. A new type of robotic hero...The book is funny, mysterious, and sometimes just plain weird. From the mind of a little boy in grade 3, the book has imagination and uniqueness that could only come from a seven year old. Plus any profits from this book will go to The Royal Canadian Legion.