If you want to know what are the four biggest series for 2015 are, this list is a good example. (manga.jadedragononline.com)
The Weaver sockeye, which spawns downstream of the river's big series of rapids, collapsed in water above 21 °C. (sciencemag.org)
It would be most interesting to see this same thing duplicated for other big series in the literary world, like Tolkien's work, Clive Cussler's books, the Wheel of Time, A Song of Ice and Fire,... Such a site would be useful to be able to buy the eBooks in a single place and have them added to an eBook company of your own choosing — if you even want that in the first place. (goodereader.com)