Memories in French is Les mémoires which directly translates in to a specific recollection. If you want to find out French words, always check http://www.wordreference.com/fren/.

les mémoires d’Angela et Angelo.

It would be souvenirs. Mémoires is very different, and would refer to a book about memories of a person, close to a biography, maybe more like a diary. There are also more technical usages of mémoires. In any case, the word you want in your situation is souvenirs.