Paid Content (via Gizmodo) caught a pretty interesting presentation by Penguin CEO John Makinson in London on Tuesday.  The topic?  iPad Books…er Apps.  He sees ebooks hitting 10 percent of book sales next year (this year 4%) and with ‘books’ like these, that doesn’t seem to be out of the question.   Also check the presentation below.

Penguin is not using the ePub format for these ‘books’, rather building the applications in html according to Makinson.  Some fun facts: