"Essentially, the idea is to arrange two or more books so that the titles, when read in the order they appear, make sense (or at least coherent nonsense) as a collective. As a form of amusement it can accomodate a variety of approaches: some might think of it as a form of poetry, others primarily as a form of humour. If you have some books, a digital camera, a blog, and the inclination to put them all together, you really should have a go."
http://outerhoard.wordpress.com/2010/07/22/bookmash/
We have some strange books in the Diabetes UK library and archive, and I've not even started on our 'Book Exchange' (staff bring in old books / videos / DVDs, swap for new ones and donate 50p) and I wondered if any of them might lend themselves to some bookmashing.

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Hummingbirds of North America using research in primary care

Homoeopathic first aid - know your chances

Henry Wellcome eats shoots, and leaves Google inventing the 20th century