Re: Best options for a beginner?
 

Getting started in Holdem

Play Poker Like the Pros - seriously a good intro to the other games

Championship NL and PL Holdem - a good read and will have some nuggets that will help his game, but mainly it is for the historical value and the stories. He talks about Al Krux, Dan Harrington, and a lot of other players. It is a fun book.

Re: Best options for a beginner?
 

no books, no experience and 15.. humm
How NOT to waste your Highschool/unversity years doing something you will not be able to do legally for 6 more years.. by Mindflayer.

If you MUST check out his seriousness, first in every players library must be Theory of Poker. If he can read it.. understand it and still be interested, THEN reading any other poker book will have about twice the value and be easier to understand from a technical point of view.