Language Meets Math - Poetry and Riddles
Stories and Fables with Math Ideas
Riddles and Poetry
Arm in Arm zz Charlip, Remy 1969 Paradox, infinite loops Humorous plays on words, this one is for all ages
Math Talk z Theoni Pappas, Math Poetry in two voices, about math concepts from elementary to advanced, this has been a big hit at home and in classes
Mathematickles! z by Betsy Franco, not really a poem book but not sure where to put it, it definitely combines math and language in a unique way (see review)
Stories and Fables with Soft Math Concepts
Chrysanthemum by Kevin Henkes, there's a lot more math in this than meets the eye.
Six-Dinner Sid z Moore, Inga 1991 Counting – Sid leads six lives, fun story
Who Is the Beast? by Keith Baker