Jack McKinney is a pseudonym for co-authors Brian Daley (Best known for his Star Wars book, Han Solo at Star's End) and James Luceno (Wrote the New Jedi Order Star Wars novel series). In addition to the 21 Robotech books they co-wrote, they also wrote a 4-book series called The Black Hole Travel Agency. Here are all of the books written under the Jack McKinney pseudonym; there won't be any more, as Brian Daley passed away in February, 1996.

Robotech: The Macross Saga

  • Genesis - 1987
  • Battle Cry - 1987
  • Homecoming - 1987
  • Force of Arms - 1987
  • Doomsday - 1987

Robotech: Southern Cross
  • Southern Cross - 1987
  • Battle Hymn - 1987
  • Metal Fire - 1987
  • The Final Nightmare - 1987

Robotech: The Invid Invasion
  • Invid Invasion - 1987
  • Metamorphosis - 1987
  • Symphony of Light - 1987

Robotech 2: The Sentinels
  • The Devil's Hand - 1988
  • Dark Powers - 1988
  • Death Dance - 1988
  • World Killers - 1988
  • Rubicon - 1988

Other Robotech novels
  • The End of the Circle - 1989
  • The Zentraedi Rebellion - 1994
  • The Masters Gambit - 1995
  • Before the Invid Storm - 1996

The Black Hole Travel Agency
  • Event Horizon - 1991
  • Artifact of the System - 1992
  • Free Radicals - 1992
  • Hostile Takeover - 1994

Some information taken from various online bookstores, and the unofficial usenet Star Wars FAQ at http://www.cs.ruu.nl/wais/html/na-dir/starwars/faq/part1.html
Rest in peace, Brian.