You can find an answer to all this questions on Hobby Virtual, the first community dedicated to the online collecting in which you can post your books.
Here you can insert all your book collections, classifying them as better as you think and even to manage it as you prefer.

Hobby Virtual is a community where you can share the information of who, like you, have the passion of romantic novels, adventure books or detective stories.
You can realize all this and much other with a collectors' software created to allow you to post all your collections on this community and many others functions: for example a search engine where you can quick find the information that you want.

If you need a book that your girlfriend wants but you can't find it in the bookshop, in Hobby Virtual you can search among the different users of the net and, looking their collections, you can find what you are searching for...
A very big community, where you'll find certainly your space to create new friendships and to share the passion for the books and satisfy your knowledge need!