Help....I need some ideas of what book to get

1)Percy Jackson & the olympians The Lighting Theif-by-Rick Riordan
2)The Maze Runner-by-James Dashner
The best one for a 12 anno old boy might be The Maze Runner I enjoyed it(Eventhough im a girl it will still entertain a boy its not girly o anything) It exciting. Here are two websites that has a summary of what the book is about and a review of the book: link and link
Here is a website that also has the summary of Percy Jackson & the olympians The lightning Theif and it has a review too: link Hope this helps!!!!

The "How to train your dragon" series da Cressida Cowel is pretty good.

Get
1) His Dark Materials Trilogy da Philip Pullman
2) Inkheart Trilogy da Cornelia Funke
3) The Owl Service da Alan Garner
4) The Name of This Book is Secret da Pseudonymous Bosch
5) The Chronicles of Narnia series da C.S. Lewis
6) War Horse da Michael Morpurgo
7) A Wrinkle in Time da     Madeleine L'Engle
8) Series of Unfortunate Events series da Lemony Snicket
9)The Spiderwick Chronicles da Tony DiTerlizzi
10)The Seven Professors of the Far North da John Fardell

Hope this helps! :)