Good documentation or books related to Oracle

1. Oracle Database Concepts
2. Oracle 2 Day DBA
3. Oracle Database Application Developer's Guide - Fundamentals
4. Oracle Database Administrator's Guide
5. Oracle Enterprise Manager Concepts
6. Oracle Data Warehousing Guide
7. Oracle Database Sample Schemas
8. Oracle Database Error Messages
9. Oracle Database Upgrade Guide
10. PL/SQL Packages and Types References
11. Oracle Database References
11. Oracle Performance Tuning Guide
12. Oracle Streams Concepts and Administration
13. Oracle Net Services Administrator's Guide
14. Oracle Call Interface Programmer's Guide
15. Oracle Database SQL Reference
16. Oracle Data Cartridge Developer's Guide
17. Oracle Spatial User's Guide and Reference
18. SQL*Plus User's Guide and Reference
20. Tom Kyte's books.