It’s been a couple of years since book retailers first started battling over the price of eReaders which increased sales of the devices, so it’s not a surprise that many households have some extras kicking around.

In fact, according to a new report from¬†NextMarket Insights, a new research firm led by Michael Wolf¬†(the former VP of research for GigaOM’s research service GigaOM Pro/eBook publisher) more than half of all households where people read eBooks have more than one eReading device, and 17 percent of all eReading households have three or more eReading devices.

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