The latest batch:
Hmm. Six out of seven of the SF/F are sequels or parts of series. The seventh (Lock In) has a sequel scheduled, so it will be the first in its series.
There are three books on HCI/Interaction Design, as I need to find out about it for something coming up next year. Three books staring at me from a shelf should provide sufficient osmotic pressure, surely?
Update 30 Oct 2015: It’s been pointed out to me that the title should read: “sequestering carbon, several books at a time L”. I've written 50-10+10 instead of 50. Duh! I’ve left it as it is (wrong) for posterity’s amusement.