on July 21 2010...i think
August 2010.
about $18 in hardback. (the paperback version is not out yet.)
Yes, there is a paperback version available
It is already out in trade paperback.
Skulduggery Pleasant Book 4 came out in paperback in March and April 2010. I don't think you can get it in harback but if you can, it would have come out at the same time or before the paperback version was released.
The US paperback will be released October 7, 2008. The UK version will be available on October 3, 2008.
The paperback version of Twilight, By Stephenie Meyer,was published in 2005.The hardcover version was released a year later in 2006.
The same day as the hardback; 4th December 2008.
The paperback version of Gone Girl was release on April 22, 2014.
The mass market paperback version of The Girl Who Kicked the Hornet's Nest, by Stieg Larsson, was released by Vintage Books on February 21, 2009.
An Airport Edition is a paperbacked book that is identical in all other aspects to the Hardback edition of a recently released book. Usually the paperback version of a book is released a year after first publication and is of a smaller size.
I hope soon.