The zoo, an official guidebook explains, houses 3,500 animals on 83 acres.

The book was a great success, despite the fact that it only targeted readers who had played the game and read the official guidebook.

Five official guidebooks were also published and had consecutive monthly releases from July to November 2007.

The official guidebook calls it 'the world's most spectacular rail journey.'

Two official guidebooks were released in February 1998.

Lancashire Rock is the official guidebook to rock climbing in Lancashire.

The official German guidebook on the market"

Where sources are unpublished and accessible, there are usually official guidebooks available.

Although circular, it formally begins and ends at Holyhead and is described in the official guidebook in an anti-clockwise direction.

The stories of Sant Pere's demise are cheerfully detailed in its official guidebook.