The Clockwork Traitor: Family d'Alembert Book 3

Children of Time: Winner of the Arthur C. Clarke Award for Best Science Fiction Novel

Skylark DuQuesne: Skylark Book 4

Skylark of Valeron: Skylark Book 3

The Ultimate Hitchhiker's Guide to the Galaxy: Five Novels in One Outrageous Volume

The Skylark of Space: Skylark Book 1

Skylark Three: Skylark Book 2

E.E. 'Doc' Smith SF Gateway Omnibus: The Skylark of Space, Skylark Three, Skylark of Valeron, Skylark DuQuesne

Bloodhype

Forever Free: Forever War Book 3

Galactic Patrol

The King of the Swords

Second Stage Lensmen

The Triumph of Time: Cities in Flight Book 4