Here are some recommended books:

1. “Oracle Integration Cloud Service: Get Started with Integration Cloud Service for PaaS and SaaS” by Robert van Molken and Phil Wilkins This book provides an introduction to Oracle Integration Cloud Service (ICS) and covers the fundamentals of using ICS to integrate cloud-based and on-premises applications.

2. “Oracle Integration Cloud Cookbook: Over 100 recipes to simplify your integration projects using Oracle Integration Cloud” by John Itty This book offers a hands-on approach to learning Oracle Integration Cloud by providing step-by-step recipes for various integration scenarios and use cases.

3. “Oracle Integration Cloud (OIC) Complete Self-Assessment Guide” by Gerardus Blokdyk This guide is designed to help you assess your knowledge of Oracle Integration Cloud and includes a comprehensive self-assessment to measure your proficiency.

4. “Oracle Cloud Integration: A Complete Guide” by Srikanth Bellamkonda and Prakash Masand This book covers various aspects of Oracle Cloud Integration, including Oracle Integration Cloud, Oracle SOA Cloud Service, and Oracle API Platform Cloud Service.

5. “Oracle Cloud Services: Integrating, Synchronizing, and Extending Applications” by Robert van Mölken and Phil Wilkins While not exclusively focused on Oracle Integration Cloud, this book covers Oracle’s broader cloud services, including integration capabilities.