From a Pearson News Release:
Available exclusively through Pearson, Early Edition multi-format eBooks (PDF, ePUB, and MOBI) have been through preliminary stages of editing and technical review, but content and presentation are not yet final. By purchasing an Early Edition, customers automatically will receive an updated, official edition of the multi-format eBook when it is available.
“We want our customers to gain expertise as soon as the experts do. With Early Editions, they can.”
These Early Edition titles share a focus on hot emerging technologies.
Learn More, See First Group of “Early Edition” Titles