This is the first book to comprehensively cover both the open source Lucene search engine library and web-search software Nutch. It tackles three core areas of keen interest in today's search environment: desktop clients, Web search, and web crawling. Readers gain practical experience into these sorts of applications by following along with theme projects spread throughout the book. Using the open source technologies Lucene and Nutch, along with the concepts presented in this book, you'll be on your way to indexing millions of pages in no time. This book will guide you through the steps required to make information immediately available.