The last two volumes in the Otherland series, Mountain of Black Glass and Sea of Silver Light, have been released in e-Book format for the Kindle and Nook. The first two books in the series should be available as e-Books soon.
Also available in e-Book format: the Memory, Sorrow and Thorn series, the Shadowmarch series, Tailchaser’s Song, and The Dragons of Ordinary Farm by Tad Williams and Deborah Beale.
Get Tad’s e-Books for the Nook at Barnes & Noble and the Kindle at amazon.