The document provides instructions for creating a Knowledge Base (KB) collection in WorldCat Metadata Services (WMS) using a list of titles, ISBNs, and URLs from a vendor when OCLC KB does not already have that collection. It outlines the steps to batch search the ISBNs in Connexion Client, line up the results in Excel, create a KBart file, and upload it to WMS as a new custom collection. It also offers tips and suggestions for various issues that may arise.