The HDM reading and listening experience is powered by Papertrell. Papertrell was born in 2013 to facilitate taking print content to a digital form that both delighted and engaged a digital audience. Leading publishers across the world use the Papertrell platform to go beyond simple digital replicas of print books to create truly interactive experiences that delight readers.
Modified on: Mon, 20 Jul, 2015 at 6:06 PM
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