Retailer Price Postage Total Availability / Notes
Blackwell £20.42 £0.00 £20.42 (as of 20 May 24, 09:44 GMT) Visit Shop
Alibris £19.79 £2.79 £22.58 (as of 20 May 24, 09:44 GMT) Visit Shop
AbeBooks £23.27 £0.00 £23.27 (as of 20 May 24, 09:44 GMT) Visit Shop