There is a call for chapters by Emerald Library and Information Science Book Series for a book on Web Search Engine Research. The editor is Professor Dirk Lewandowski and the topics include:
* Retrieval effectiveness
* User satisfaction
* Evaluation of search engine interfaces
* Search engines? index quality
* The impact of search on society
* Reliability of search results
* Query log analysis
* User guidance in the search process
* Index and/or results freshness, diversity of results
* Influence of search engine optimization (SEO) on results quality.
More information is available here.