The adventures of ook and gluk kung-fu cavemen from the future

my book is called: The adventures of ook and gluk kung-fu cavemen from the future. and from the creators of captain underpants. the author that wrote this book is george beard and harold Hutchins. this book is about two teens that have to find out how to stop mr.goppernopper by taking over the past from evil and   destroying the past and theres two mr.goppernoppers. 1 from the future and 1 from the past.

i like this book because theres a lot of action and i would recommend this book two anyone that enjoys a comic strip and fighting.