Sharp eyed blogger Jivtesh spotted a reference to the Microsoft Dynamics GP 2010 Cookbook on the PartnerSource.Dynamics GP product page.
You can get a copy too at Amazon.com.
The Microsoft Dynamics GP 2010 Cookbook is on PartnerSource
Microsoft & the GP EcosystemGP 2010
Archived post from 2010. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.