The Slippery Slope
Harper Collins Publ. UK
AbeBooks Used Best
€3.63
Lets Buy Books New
£6.99≈ €8.14
LoveReading4Kids New
£7.19≈ €8.37
Waterstones New
£7.99≈ €9.30
AbeBooks New
€11.10
Harper Collins Publ. UK
