Found 3 books

Mastering Photoshop Layers

[en] Mastering Photoshop Layers Rocky Nook

Gulbins, Juergen

download read it!
Photographic Multishot Techniques

[en] Photographic Multishot Techniques Rocky Nook

Gulbins, Juergen & Gulbins, Rainer

download read it!
Fine Art Printing for Photographers

[en] Fine Art Printing for Photographers Rocky Nook

Steinmueller, Uwe & Gulbins, Juergen

download read it!