The last two years I have read about 30 ST books / year. This year I have barely read one ST book per month. If I don't just want to tread water but also make a dint in prior ST works, I do not have much wiggle room. Then, I also want to watch the complete 5 TV series. I would also like to read other science fiction literature and other literature too. Then there's life other than reading and TV. Then, there's also the other literature written by ST authors such as the copy of "The Calling" by David Mack which I recently purchased at a thrift store. I have yet to keep up with the buying of books and must read a significant number too in order to make the buying worthwhile. I am glad that the e-book company has virtually all ST books available for purchase.