He's a familiar and award-winning Hollywood actor, as well as an acclaimed director and producer. He's also (who knew?) a highly successful children's book author. Our guest on ST is Bob Balaban, who tells us about his newest book, "The Creature from the Seventh Grade: Boy or Beast" (Penguin Young Readers Group). In this funny, tween-friendly tale, we meet Charlie Drinkwater, a middle-school kid who's probably among the least popular --- and least noticed --- boys in his class.