Mr. Sby Monica Arnaldo

It was the first day of school.

But even the kindergarteners of room 2B could tell something was seriously wrong . . . Where was the teacher? Who left this sandwich on the desk?

The only clue, written on the chalkboard, were three simple letters:Mr. S.

(From HarperCollins)

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Monica Arnaldohas written an illustrated several picture books. She was born in Ontario and now lives in Quebec.