"It's like you're ten or something," Lily says. "P-O-O-H. Winnie-the-Pooh.

"He's a bear in a book. Or books, really. Based on the author's son's stuffed bear. He lives in the Hundred Acres Wood with his friends and has little adventures. Dad read those books to me till I practically had them memorized. the poetry, too.

"And Paddington Bear is a bear who turned up from Peru, I think, in Paddington station. Thus the name. There are books about him, too."