What is the difference between a book listed as a paperback and a book listed as a trade paperback?

>Maybe I’m reinventing the wheel, but I did not know the answer to my question and I thought it might be good idea to spread the news.
I copy and paste the following information:

A Paperback is simply a book that has a glued spine and a paper or cardstock outer cover (called "wraps" or "wrapper"). In contrast, a hardback (until recently) would have a sewn binding and a cloth or paper covered "board" cover.
A Mass Market Paperback (MMPB) is the relatively small "pocket-sized" book that fits in a rack designed specifically for such books. These began in the 1930s and are the cheapest way to get a book out on the market. These are distributed the same way newspapers and magazines are. Typically the paper is of poor quality, readily yellowing over time. These books show up in regular book stores but also in nontraditional spots such as airports, drugstores, and magazine stands.
A Trade Paperback is a larger book, often the same size as the hardback original. Typically the paper is of better quality than in the MMPB. Sometimes, even the text on the pages is exactly the same as that of the hardback copy, especially if put out by the same publishing house. Their price is higher than that of an MMPB but less than a hardback.
An Oversized Paperback is also a Trade Paperback, simply a larger format book with a soft binding. Often the hardback edition is also an oversized book. There are specific terms booksellers have traditionally used to tell you the size of a book, such as quarto or folio, but many book buyers are not familiar with these terms today. This is why booksellers often include either the dimensions of a book or they state "oversized" in the description of the book.
An Academic Paperback is one released by a university press and which may have a cover made of heavy paper, not the glossy cardstock seen in MMPBs and most Trade Paperbacks. Traditionally, many buyers of these books would have them custom-bound if they intended to keep them for a long time.
Source: Askville by Amazon

The UK office of fair trading is to "investigate" the agency model

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I’ve just found out, thanks to fellow blogger and FriendFeed Maxine, that the UK office of fair trading is to "investigate" the agency model publishers are using to force Amazon and other book/ebook sellers to charge what the publisher says and not what the retailer (amazon and co) want.

“The Office of Fair Trading (OFT) has announced that it will be conducting an investigation into anticompetitive behaviour by firms with regards to the use of the ‘agency model’ by publishers in relation to the sale of e-books.

Following a number of complaints. the OFT would be looking into whether “arrangements that certain publishers have put into place for the sale of e-books may breach competition rules.”

The investigation will be under the Competition Act 1998 which prohibits agreements, practices and conduct that may have a damaging effect on competition in the UK.

Essentially the agency model means that publishers are able to dictate the prices of ebook products, with firms such as HarperCollins and Penguin able to determine how much consumers pay for their ebooks rather than the vendor, by which the pricing is typically determined having purchased from the publisher.

Does overpricing encourage piracy? Look at DVDs and music, once overpriced and now worthless.”

Read more:

Candied Crime by Dorte Hummelshoj Jakobsen

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Fellow blogger and FriendFeed mate Dorte Hummelshoj Jakobsen has published Candied Crime DJ’s Daim Stories vol.1.

The present issue, the first volume in a planned series, has thirteen flash fiction stories, a collection of cosy and humorous crime, some of which have been published earlier on her blog HERE.

Available on Ebook reading format at $0.99 USD HERE.

I have just bought it and I’m planning to read it soon, stay tuned.