1. Introduction: Why dogsJuliane Kaminski and Sarah Marshall-Pescini2. Social cognition: The dog-wolf comparison.Friederike Range and Zsofi Viranyi3. The social organization of a population of free-ranging dogs in a suburban area of Rome: A reassessment of the effects of domestication on dogs' behaviorRoberto Bonanni and Simona Cafazzo4. Social behavior among companion dogs with an emphasis on playBarbara Smuts5. Auditory communication in domestic dogs: Vocal signalling in the extended social environment of a companion animalAnna Magdalena Taylor, Victoria Frances Ratcliffe, Karen McComb, David Reby6. The immaterial cord: The dog-human attachment bondEmanuela Prato Previde and Paola Valsecchi7. The personality of dogsÁdám Miklósi, Borbála Turcsán, Eniko Kubinyi8. When the bond goes wrong: Problem behaviours in the social contextDaniel Mills, Emile van der Zee, and Helen Zulch9. Social learning in dogsPéter Pongrácz10. What dogs understand about humansJuliane Bräuer11. Dogs' sensitivity to human ostensive cues: A unique adaptation?Topál József, Kis Anna, Oláh Katalin12. Do dogs show an optimistic or pessimistic attitude to life? A review of studies using the 'cognitive bias' paradigmOliver Burman13. Wagging to the right or to the left: Lateralization and what it tells of the dog's social brainMarcello Siniscalchi and Angelo Quaranta