I've just read about his new one Here We Are which sounds absolutely brilliant and I'm going to order for Christmas for DS.
www.theguardian.com/lifeandstyle/2017/nov/11/childrens-author-oliver-jeffers-on-explaining-the-world-to-his-son-one-room-at-a-time
I haven't read any of his others though (and there are a few!), should I add any in particular on to the list?