Rules of Summer by Shaun Tan. Two boys explain the occasionally mysterious "rules" they learned over the summer, like never eat the last olive at a party, never ruin a perfect plan, and never give your keys to a stranger.
'Hans and Matilda' by Yokococo. Simple and very funny story for toddlers with beautiful illustrations, Odessa knows every page by heart now( and so do I). She has also called our kittens Hans and Matilda as a credit to this charming book.