Your dog will be schooled by Sophie Collins, who wrote the classic guide to the body language of dogs, Tail Talk, a bestseller in 12 countries; since then, she has created a number of successful books including the award-winning Tricks & Games to Teach Your Dog; and, most recently, How to Raise a Happy Dog. Illustrator Charlotte Farmer completes the cards; her previous books include The Hipster Coloring Book, The Passive-Aggressive Coloring Book, and The Museum of Me.