Simmons, Ken: Onyx Number Eleven, April-May-Jun 2000 ©2000 Ken Simmons Softcover, saddle-stitched, 8.5x11", 24 pages

Image courtesy eBay seller GSAudioInc

Comments:  Onyx was a quarterly magic magazine Oct 1997 through April-May-June 2000 for a total of 11 issues.
Note: there's a full contents listing for all issues over at Denis Behr's Conjuring Archive.

Contents (From book ToC):

1 Ken's Corner (Ken Simmons)
2 In One Full Sweep (J.K. Hartman)
5 Go-Card (J.K. Hartman)
8 Got Milk? (Wesley James)
12 A Different Slant (David Neighbors)
13 A Card Vanish (Mark Aspiazu)
14 Rub-A-Dub-A-Coin (Mark Aspiazu)
14 Watch This! (Derek DelGaudio)
15 Fast Sandwiches (Robin Robertson)
17 Triple Simon (Robin Robertson)
18 The Worm Hole Effect (Jagannath Yedida)
19 Technical Variation of the MacMillan One-Hand Turnover Switch (Ken Simmons)
23 Mental Triumph (Jason Tang)
24 Pass the Bass (Ben Blau)