Irish online stockists:

Kenny's in Galway ship free worldwide here

O'Mahony's in Limerick here

Alan Hanna in Rathmines, D6 here

UK or Europe:

Amazon here

Waterstones here

The Book Depository here

Gardners here (wholesale)

Libraries:

For Libraries it can be obtained from Bertrams in Norwich or International Educational Services in Leixlip or Alan Hanna in Rathmines, D6