Mathew Benny Mathew & Juric Matjaz B. Juric 
Business Process Execution Language for Web Services 2nd Edition [EPUB ebook] 

This book is aimed at architects and developers in the design, implementation, and integration phases of advanced information systems and e-business solutions, developing business processes and dealing with the issues of composition, orchestration, transactions, coordination, and security. The book presumes knowledge of XML and web services, web services development (either on J2EE or .NET), and multi-tier architecture