1998

January

 * ?? Galaxy of Fear: The Swarm written by John Whitman is published.

February

 * ?? X-Wing: Wraith Squadron written by Aaron Allston is published in paperback.

March

 * ?? Rebel Dawn written by A. C. Crispin is published in paperback.
 * ?? Galaxy of Fear: Spore written by John Whitman is published.

May

 * ?? I, Jedi written by Michael A. Stackpole is published in hardcover
 * ?? Galaxy of Fear: The Doomsday Ship written by John Whitman is published.

June

 * ?? The Mandalorian Armor written by K. W. Jeter is published in paperback.
 * 30 Star Wars Encyclopedia written by Stephen J. Sansweet is published.

July

 * 21 The Essential Guide to Planets and Moons written by Daniel Wallace is published.
 * 22 Tales of the Jedi: Redemption 1: A Gathering of Jedi written by Kevin J. Anderson and penciled by Chris Gossett is published.
 * ?? X-Wing: Iron Fist written by Aaron Allston is published in paperback.

August

 * 26 Tales of the Jedi: Redemption 2: The Search for Peace written by Kevin J. Anderson and penciled by Chris Gossett is published.
 * ?? Galaxy of Fear: Clones written by John Whitman is published.

September

 * 23 Tales of the Jedi: Redemption 3: Homecoming written by Kevin J. Anderson and penciled by Chris Gossett is published.
 * ?? Vision of the Future written by Timothy Zahn is published in hardcover.
 * ?? Galaxy of Fear: The Hunger written by John Whitman is published.

October

 * 28 Tales of the Jedi: Redemption 4: The Trials of a Jedi written by Kevin J. Anderson and penciled by Chris Gossett is published.
 * ?? Slave Ship written by K. W. Jeter is published in paperback.

November

 * 25 Tales of the Jedi: Redemption 5: Master written by Kevin J. Anderson and penciled by Chris Gossett is published.

December

 * 01 Republic 0: Prelude to Rebellion 0 written by Peet James and penciled by John Nadeau is published on StarWars.com.