Rabbit up . . . Uh-oh! Rabbit down . . . With some droll ascents and landings, Jo Ham’s international sensation hops into a board book about the basic concepts of up and down.Seesaws, diving boards, ski jumps, slides—life comes with its share of ups and downs. And for the adventurous, on-the-go Rabbit, they’re simply par for the course. The creation of Jo Ham, whose art celebrates the magic of everyday life, Rabbit has been spotted everywhere from the Inst...