Extremely Loud & Incredibly Close

I enjoyed Extremely Loud & Incredibly Close by Jonathan Safran Foer though it took a while to "get into it".  The story is told in the first person by three characters and at times it is confusing as to which character is narrating.  A young boy, Oskar, loses his father Thomas in the Twin Towers 9/11 tragedy.  He arrived home to hear his father's voice on their answering machine.  He is a highly intelligent boy and deals with the tragedy in an unusual way.  He discovers something that belonged to his father which leads him on a quest to find out more.  Also narrating are his grandmother about her life and survival of the Dresden bombing and also his grandfather who also survived that bombing but has his own problems to deal with.  This is an unusual and "different" story which was originally published in 2005, recently re-released as a "companion" book for a movie. 31/2/5