Who is on the cover of Warriors Dark River?

Into the Wild: Firestar

Fire and Ice: Firestar and Graystripe

Forest of Secrets: Firestar

Rising Storm: Firestar and Cloudtail or Firestar and Tigerstar

A Dangerous Path: Firestar and Tigerstar

The Darkest Hour: Firestar and his lion reflection

Midnight: Brambleclaw

Moonrise: Feathertail

Dawn: Squirrelflight

Starlight: Leafpool

Twilight: Crowfeather

Sunset: Hawkfrost

The Sight: Jayfeather, Hollyleaf, and Lionblaze

Dark River: Lionblaze

Outcast: Stormfur and Brooke

Eclipse: Jayfeather

Long Shadows: Sol

Sunrise: Hollyleaf

The Fourth Apprentice: Dovewing

Fading Echoes: Ivypool

Night Whispers: Flametail

Sign of the Moon: Stoneteller

The Forgotten Warrior: Lionblaze

The Last Hope: Firestar

Bluestar's Prophecy: Bluestar

Firestar's Quest: Firestar

Skyclan's Destiny: Leafstar

Crookedstar's Promise: Crookedstar

Secrets of the Clans: Firestar

Cats of the Clans: Firestar, Tallstar, Tigerstar, and Crookedstar

Code of the Clans: Firestar, Leopardstar, Tallstar, and Blackstar

Battles of the Clans: ShadowClan (Blackstar, Tawnypelt, and Rowenclaw)

The Rescue: Leafstar

Beyond the Code: Sol

The Lost Warrior: Graystripe

Warrior's Refuge: Millie

Warrior's Return: Graystripe and Millie

Into the Woods: Sasha

Escape from the Woods: Tigerstar

Return to the Clans: Tigerstar and Sasha

Shattered Peace: Ravenpaw

A Clan in Need: Barley

The Heart of a Warrior: Ravenpaw and Barley

The Rise of Scourge: Scourge

Hope this Helped...

If I made any mistakes feel free to correct me.

When more books are released I will be sure to add them on.