The Martha's Vineyard Times New storybook walk at Sheriffâs Meadow Sanctuary The beloved book âThe Gruffalo,â by Julia Donaldson, with illustrations by Axel Scheffler, will be the next book at Sheriffâs Meadow Sanctuaryâs storybook walk, which began last Saturday afternoon, April 19. According to a press release from Sheriffâs Meadow Sanctuary, âThe Gruffalo” is the story of a clever mouse who takes a walk in the woods and outsmarts the animals he encounters who would like to eat him by telling them about the Gruffalo. What is a Gruffolo? Find out while walking around Sheriffâs Meadow Sanctuary.