I'm breaking my usual absence of posts at the weekend to comment on the Amazon Kindle spring sale . They have a range of new books on sale at ridiculously cheap prices. I'm most interest because my latest book (which hasn't been mentioned here because it technically doesn't come out until 5 April, though it has been spotted in Waterstones) The Universe Inside You is one of these books, just 99p in the UK and $1.57 in the US . Some have questioned whether it makes good business sense to sell a book that costs £12.99 (admittedly often quite heavily discounted from this) for just 99p in ebook form. I think as long as it is a limited duration offer, as this is, it makes a very good way of drawing a new book to people's attention. After all, for 99p it is surely worth taking a punt - and with awareness enhanced, it will hopefully then be more obvious as a print book. The process started yesterday and so far it seems to be going pretty well. At the time of writing,