HP-UX System and Administration Guide
Shaw, Jay. McGraw-Hill, 1996.

Excellent survey of HP-UX system administration tasks. More useful to experienced sysads than the "Marty" books.

HP-UX System Administration Handbook and Toolkit  
Poniatowski, Marty. Prentice Halll, 1998.

Finally, a "Marty" book for the rest of us -- experienced system administrators. Covers all aspects of HP-UX system administration and includes a CD full of useful software. This book is still new to us, but our first impression is quite positive. Definitely worth a spot on your bookshelf.

Disk and File Management Tasks on HP-UX
Madell, Tom. Prentice-Hall, 1997.

Comprehensive overview of Logical Volume Manager. A must for any HP-UX sysad. We´ve heard comments like "the info in this book is all available in the manuals. Maybe so, but we´ve found this book highly useful.

HP OpenView : A Manager's Guide
Huntington-Lee, Jill, et al. McGraw-Hill, 1996.

Detailed review of the technology.

Essential System Administration : Help for UNIX System Administrators
Frisch, Aeleen. O'Reilly, 1995.

Of the general UNIX system administration books, this one gets our vote as the best all around.

The Simple Book : An Introduction to Networking Management (2nd Edition)
Rose, Marshall. Prentice Hall, 1996.

Some swear by this book, others swear at it. We are evaluating other SNMP references. Please let us know your favorite.

TCP/IP Network Administration (2nd Ediition)
Hunt, Craig. O'Reilly, 1998.

ISPs once included this book with all new accounts. Originally published in 1992 before the Internet became "The Web," newly revised and updated. No longer alone on the networking shelves, but still the one we use.

DNS and BIND (2nd Ediition)
Albitz, Paul and Liu, Cricket. O'Reilly, 1997.

The second edition of this classic. As far as we've seen, the only DNS book you'll ever need and the only one in use at most sites. Check out what Cricket has been up to at www.acmebw.com

Unix Power Tools (2nd Edition)
Peek, Jerry; O'Reilly, Tim; Loukides, Mike. O'Reilly, 1997.

A great book! And it comes with a CD loaded with useful goodies for managing a Unix environment. Practical examples, useful tips, essential information. If you manage any flavor of Unix, you need this book!

Windows NT Shell Scripting
Hill, Tim. MacMillan Technical Publishing, 1998.

If you're scheduling on NT, your jobs are scripts.This book tells you everything you need to know to write NT scripts. The only book of its kind; good thing it's excellent.