Ethan Marcus Makes His Mark

',A thoughtful next step for readers of Andrew Clements.' BCCB (about Ethan Marcus Stands Up) Ethan and Erin go to Tech Camp and try to win a chance to ',make' a difference in classrooms everywhere in this hilarious follow-up to Ethan Marcus Stands Up.Ethan and Erin Marcus may only be eleven months apart age-wise, but they are a million miles apart in every other respect. Ethan's laid back and takes things in stride. Erin's a little moreintense and doesn't really like to go with the flow. So wh ...