For the species buffs out there, I really like "The Iris of China" by
James Waddick, also from Timber press. It has great line drawings of
each species and consise hortical instructions for each group
(series), plus some nice photos.
Rodney Barton, growing a bit of everything in
Hickory Creek, (North Central) Texas, USA
Zone 7/8, typical temp range 15 - 105 F (-9 - 41 C)
AIS, SIGNA, SPCNI, SLI, FWIS, Iris-L