Plural?

Err. . . what's the plural of haiku? I thought to look in my Princeton Encyclopedia, but it's at home.
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Went to a reading last night by Erinn Batykefer and Katie Hays. Very much enjoyed the second half.
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It's nearly spring break. I can hardly wait.
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Look at the amazing cover we're doing for Steven Riel's new chapbook. We were so lucky to get permission from Sean-Michael Rau to use his image. More on artist and author will be posted soon at Seven Kitchens . . .