The first hardback version appeared seven years later.

The hardback version reached the top 10 on the best-sellers list.

Instead it was released in an expanded hardback version as part of the Supernatural Defense Kit.

In the US the book was released (hardback version) November 6, 2007.

The cover design for the hardback version of the book contains several pictorial depictions of prime numbers, such as the number 73 bus.

The hardback version contains 16 pages of black and white photographs of the twins.

They don't fork over twenty bucks in the bookstore for a hardback version of Time.

In 2009 the hardback version was published.

A hardback limited-edition version with 232 pages was released on the 21st of October 2009 and is available in Comic stores.

Amazon.com offers the hardback version for $24.47.