ages 4 to grownup. 
I’m not a really big fan of telling children how they should react to art, but I am a big fan of reminding adults that when children do react to art – or anything for that matter – it’s very often physical. The Museum is a fun book written as a poem that follows a young girl through an art museum (think MoMA). She’s an exuberant child who lets her body show what she is feeling.