Top ten teen twin books

Penelope Bush is the author of Alice in Time, Diary of a Lottery Winner's Daughter, and, more recently, Me, Myself, Milly, which explores the dynamic between two identical twin sisters.

One of her top ten teen twin books, as told to the Guardian:Tintin and The Castafiore Emerald by Herge

I'm allowed to slip this one in, or any Tintin book for that matter, because of the presence of the