Pearls of Lutra, Published in 1996 by Brian Jacques, Philomel Books

"Known as the Tears of All Oceans, six magnificent rose-colored pearls that inspire passion, greed, and deception are mysteriously missing. The only clue is a series of riddles, and Tansy, a young hedgehog maid at Redwall Abbey, is desperate to solve them--for the life of one she holds dear is in great danger.
But Ublaz Mad Eyes--the evil emperor of a tropical isle beyond the horizon--is determined to claim the pearls as his own. And a crew of fearsome monitor lizards and corsairs gathered around him grow restless . . ."

The Outcast of Redwall, Published in 1995 by Brian Jacques, Ace Books

"Abandoned as and infant by his father, the evil warlord Swartt Sixclaw, Veil is raised by the kindhearted Bryony. Despite concerns from everyone at Redwall, Bryony is convinced that Veil's goodness will prevail. But when Veil commits a crime that is unforgivable, he is banished from the abbey forever. Then Swartt and his hordes of searats and vermin attack Redwall, and Veil has to decide: Should he join Swartt in battle against the only creatures who have ever loved him? Or should he turn his back on his true father?"

The Bellmaker, Published in 1994 by Brian Jacques, Philomel Books

"In a faraway kingdom, Mariel the Warriormaid prepared to face her greatest enemy . . .
At Redwall Abbey, a cryptic dream warned Joseph the Bellmaker that his daughter was in danger . . .
Thus began an epic quest that would take Joseph and a courageous band of Redwallers across land and sea to help Mariel. Where a vicious Foxwolf and his bloodthirsty rat hordes have claimed the kingdom as his own. And where Joseph would join Mariel in a heroic battle against the usurper. One that would forever be remembered in the legend and lore of Redwall Abbey . . ."