There is an age for everything, our children voyent enough "silliness" everywhere in their library without talking before their homosexuality heterosexuality, sexual relationship ect ..... All children between 5 and 7 years do not wonder about that! After for gifted children on the subject, why not, but the sentences are too raw. For 9/10 year agreement but not before. Very shocked when our daughter brought us this book of the library of the school where his comrades that fought to borrow .... We understand better why.