This rule-breaking book about African street photography splices catwalk-ready fashion shots in with candid documentary, and it's hard to tell where one ends and one begins

No one's ever written a rulebook for street photography, but sometimes it feels like it exists anyway. Candid and spontaneous, not staged. No light but natural light. No crew, just one lone lens. So it's quite a surprise when Street Photography Africa, a new publication from curators Nadine Barth and Azu Nwagbogu, published by Thames & Hudson, feels like it doesn't so much break those rules as entirely ignore them. It only takes a quick flick through the book, which is released on 15 October, and you'll see precisely what I mean...