Boek 1

Proof (Volume 1): Goatsucker

door Joe Kelly, Riley Rossmo
jan. 1, 2009
Engels
Paperback (80 pagina's)

Boek 2

Proof, Volume 2: The Company Of Men

door Alex Grecian, Riley Rossmo
dec. 16, 2008
Engels
Paperback (128 pagina's)

Boek 3

Proof, Volume 3: Thunderbirds Are Go!

door Alex Grecian, Riley Rossmo
jul. 21, 2009
Engels
Paperback (144 pagina's)

Boek 4

Proof, Volume 4: Julia

door Alex Grecian, Riley Rossmo
jul. 6, 2010
Engels
Paperback (128 pagina's)

Boek 5

Proof, Volume 5: Blue Fairies

door Alex Grecian, Riley Rossmo, Dave Casey
dec. 28, 2010
Engels
Paperback (128 pagina's)

Boek 6

Proof, Volume 6: Endangered

door Alex Grecian, Riley Rossmo
jun. 28, 2011
Engels
Paperback (128 pagina's)