A: Hi, Grandma! Regarding your question about the Halo: The Fall of Reach, 1 - by Eric Nylund (Paperback): This book is primarily intended for adults as it's based off of games that are primarily rated M for Mature 17+. If you have any additional questions, please do not hesitate to contact Target.com at 1-800-591-3869 every day, between 7am-11pm CST.