Yes, yet another Lulu offer. They have one every few days, or so it seems.
Until the end of tomorrow there's 10% off my Lulu if you enter this code:
Go on, treat yourself.
Barclay Perkins Bookstore
Heineken H41 - *Lager yeast, Saccharomyces pastoriaus, has long been known to be a hybrid species with Ale yeast, S. cerevisiae, as one parent.* It was only in 2011 that ...
3 hours ago