In the course of its history, memory has externalized itself more and more. Today the memory of mankind is going through a massive accumulation and storage phase. The abundance of information fills the servers. But if they give access to a massive amount of content, in the same way, internauts have to deal with questionable and non-classified information. Indeed it is necessary today to step back and realize the internet memory content has flaws. Thus, books contain a build, layered knowledge and constitute a valuable alternative on the memory field. Moreover, today given the expansion of digital, books are threatened. Therefore our goal was to show the legitimacy of the book as a memory keeper.