I started talking about picture book research last May. And I'm still at it! Here are two more.
How to Babysit a Grandpa by Jean Reagan with illustrations by Lee Wildish for a while. It's a clever role reversal story for child readers, with some traditional tugging at the heart for adults.
Tea With Grandpa by Barney Saltzberg is a little newer. And stealthy. It's told in
verse and seems pretty much a surface story. Then the last page comes. I, for one, never saw it coming. Very neat and contemporary ending.