For the rapid development of internet technologies, using internet-accessed devices for online reading has become a must part of everyone’s day life. Among all attractive readings, e-Book is receiving more attentions in recent years for benefiting on-line readers; two typical e-Book services can be found from Amazon and Google e-Book stores. However, some desirable features for more satisfying reader needs are still not supported well in these existing services such as recognition & comparison of desired e-Books and collaboration & communication in e-Book communities.