Ella wakes up and is surprised by her parents when she is told that they will have a day out at the zoo. Once at the zoo, little Ella visits the animals and comes across a friendly wolf whose name is Willy Wolf. Ella enjoys her day at the zoo and especially seeing Willy Wolf. When the family arrives back home, Ella goes to sleep and dreams about playing with Willy Wolf. She hopes to return to the zoo again.

22 writers talk about their memorable excursions and the act of walking, and share their creative observationsIn these six series, taken from BBC Radio 3's The Essay, an array of novelists, poets, journalists and biographers chart the varied and inspiring walks they have taken around Britain and elsewhere. Here are treks taken at daybreak and after dark; in winter and in spring; in the footsteps of the past; and - in the case of Robert Macfarlane - along t...