G'day

I'm a student glider pilot, just post-solo, looking for a good book on
meteorology for gliding that my wife can give me for my birthday.
Since Wallington's Meteorology for Glider Pilots is out of print and
available copies are prohibitively expensive, I'd appreciate
recommendations for other books that could help me learn about weather
for soaring.

A bit of googling turned up two books that may be available here in
Australia, including Bradbury's Meteorology and Flight and Piggott's
Understanding Flying Weather. Which of these would be best for a
student, or can you recommend others please?

thanks in advance