It seems to have been available since October :
http://thedaffodilsociety.com/wordpress/daffodil-snowdrop-and-tulip-yearbook-2013/The note says "society stocks are limited" Contact Sandra Baxter
by email £11 post paid
"The RHS Daffodil, Snowdrop and Tulip Yearbook 2013 is now available to purchase from the Society’s Marketing Manager, Sandra Baxter for £11.00 including p&p.
There is, as usual, plenty to interest the daffodil enthusiast including an article on all-white daffodils in Division 2, current thinking on hot-water treatment, rust in daffodils, a look back at the invaluable work and achievements of the RHS Daffodils & Tulip committee, and climate change and daffodils."
