This story is collected in:

X-Wing Rogue Squadron Omnibus: Volume 3

• Issues 28, 29, 30 & 31:
  There are few occupations that are more dangerous than flying an X-wing for the Rebel Alliance, and Rogue Squadron is about to discover that in diplomacy, things and diplomats, are not always what they seem!
  The Moff Leonia Tavira has returned, and Rogue Squadron is about to learn just how vindictive some teenagers can be! The woman known as "Iceheart" may have the Empire in her grasp, but Sate Pestage, the interim Emperor, is defecting to the Alliance, and as an example of negotiating in good faith, he offers them the keys to the Imperial Throneworld, Coruscant!
  As Wedge and Princess Leia complete their negotiations with the interim Emperor, Tycho and Winter make their break from the pirate thugs of Leonia Tavira. But both teams working in separate parts of the galaxy on the same caper are about to find they have something else in common: trouble!
  Rogue Squadron faces off against the pirates of the Blazing Claw, but no sooner have they sent them packing than an Imperial Star Destroyer makes orbit! It's time for Baron Fel to show his true colors as the fate of Rogue Squadron hangs in the balance!

Synopsis taken from Dark Horse Comics, www.darkhorse.com.

Related Stories (in chronological order):

• Rogue Squadron 1/2 by Michael A. Stackpole et al.
• A New Hope
• The Empire Strikes Back
• Return of the Jedi
• The Truce at Bakura
• Lucky by Rob Williams et al.
• Rogue Leader by Haden Blackman et al.
• Rogue Squadron Special by Ryder Wyndham et al.
• The Rebel Opposition by Michael A. Stackpole et al.
• The Phantom Affair by Michael A. Stackpole et al.
• Battleground Tatooine by Michael A. Stackpole et al.
• The Warrior Princess by Michael A. Stackpole et al.
• Requiem for a Rogue by Michael A. Stackpole et al.
• In the Empire's Service by Michael A. Stackpole et al.
• The Making of Baron Fel by Michael A. Stackpole et al.
• Family Ties by Michael A. Stackpole et al.
• Masquerade
• Mandatory Retirement by Michael A. Stackpole et al.

The following novels are sequels to the above stories, and are set from 6 years after the Battle of Yavin during the period of The New Republic, in chronological order:

• Rogue Squadron by Michael A. Stackpole
• Wedge's Gamble by Michael A. Stackpole
• The Krytos Trap by Michael A. Stackpole
• The Bacta War by Michael A. Stackpole
• Wraith Squadron by Aaron Allston
• Iron Fist by Aaron Allston
• Solo Command by Aaron Allston
• Isard's Revenge by Michael A. Stackpole
• Starfighters of Adumar by Aaron Allston