Found Book: Cookery Competition

I found half a Cookery Book on Camberwell Grove. Bake me  cake from one of these recipes and join me for a picnic in Crystal Palace Park on Saturday 21st April 2012.
More info: https://www.facebook.com/events/156756544443172/

Found Book: Short Story Competition

I found half a bestselling novel on a the number 12 bus. Please finish the story for me.
More info: https://www.facebook.com/events/299458070110967/