Sweet Sorrow by David Nicholls who wrote a book called One Day which was huge in its time and made into a big movie. Loved by thousands of readers. This new one is about a hot UK summer with two young people who fall in love for the first time – very sweet, he just nails it.
https://www.goodreads.com/book/show/43188104-sweet-sorrow?from_search=true
How to Escape from Prison by Dr Paul Wood. Andrew might know about this one as the author has been on the media circuit recently. NZ guy who went to prison for murder at the age of 18, got an education and redeemed himself.
http://www.harpercollins.co.nz/9781775491507/how-to-escape-from-prison/