Here is the publisher:-
http://www.quasarastronomy.com.au/yb_09.htm
But no phone number to check with them.
Bintel are selling it for $20.
Bintel, Sydney,
https://www.bintelshop.com.au/welcome.htm are here:-
84 Wentworth Park Road
Glebe NSW 2037
Australia
Telephone
(02) 9518 7255
Fax
(02) 9518 5711
Email
info@bintel.com.au Email address protected by JavaScript.
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Trading Hours
Monday-Friday-9:00AM-5:30PM
Saturday-9:00AM-4:00PM
In December the Sydney Store is open on Sunday 10:00AM-4:00PM