The Trouble with Mark Hopper

Mark Hopper, meet Mark Hopper.

Mark Geoffrey Hopper is a straight-A student but a poor friend. Mark Geoffrey Hopper is grade-A friend but poor student. Can the town of Greenburgh handle two Mark Hoppers? Can the two Mark Hoppers handle each other?

Two boys with one name means trouble…or does it mean opportunity?

(Penguin Group, 2009)  Korean edition 2012!

“A lot of kid appeal with substance.”
– THE HORN BOOK
Just how many Mark Hoppers are there?

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