Blacksad
Dargaud (French)/iBooks (English). Written by Juan Díaz Canales, drawn by Juanjo Guarnido.
1 Somewhere Within the Shadows (translation of Quelque part
entre les ombres). [From iBooks: Meet John Blacksad,
a cat in the shadows. Imagine New York as a city of criminal rats, jazz-playing
gorillas and rhino thugs. Enter a mystery where the suspects have tails.
Find out why comics' biggest names are wild about one of the freshest graphic
novels in years. Enter the world of Blacksad. Natalia Wilford is a famous
actress. To the world, she had everything anybody could want... beauty...
fame... glamour... and lovers who would do anything for her. When she is
found murdered in her home, it touches the man who had not seen her since
their bitter breakup many years ago... private eye John Blacksad. He vows
to find Natalia's murderer. When the police are told to call off their investigation
of the crime, Blacksad charges forward alone... risking his license, his
reputation and even his life!] 
2 Arctic Nation (translation of Arctic-nation).
[From iBooks: His name is John Blacksad. He's a private detective.
He's seen much evil in the past, but never in his long life has he encountered
a case as bizarre, as twisted, or as deadly as the one he accepts now. In
a town where white supremacists have moved in and are brutally seizing control,
Blacksad is asked to find a kidnapped child and bring the kidnappers to
justice. As he gets deeper into his investigation, Blacksad discovers a
tale of sickening horror involving murder and worse that condemns some of
the town's most powerful citizens.]
3 The Sketch Files. [From iBooks: The exciting behind the scenes look at the making of Blacksad! Blacksad is the hit international series - an anthropomorphic saga of a black cat private detective in film noir adventures. Here is a stunning behind-the-scenes look at how this exciting series was created. It includes never-before-seen production sketches, concept art, and commentary about the characters, scenes and story. It's a rare look at how a graphic novel story is created, and a must-have for everyone fascinated by how stories are developed.]