Dezeen has teamed up with Pecha Kucha Night to give away ten copies of the new Pecha Kucha Night book.

The 176-page book explains the phenomenal growth of the show-and-tell format, in which speakers present 20 images for 20 seconds each.

It contains presentations given at events around the world by 30 speakers including architect Toyo Ito, designer Sebastian Conran, Dezeen editor-in-chief Marcus Fairs and Pecha Kucha founder Mark Dytham's mum. There is a slideshow of pages from the book here.

This competition has now closed.

The ten winners are: Paul Medley, UK; Adam Vukmano, Austria; Paul Tanner, UK; Achilles Kalogridis, Greece; Christian Skeide, Germany; J Whiteside, UK; Sana Tapal, Canada; Matthew Zinski, USA; Carsten Dankert, Germany; Mario Cvetic, Serbia.

Each will receive a copy of the book, signed by Mark Dytham and Pecha Kucha co-founder Astrid Klein.

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