Stanley Rice -- A Quiet Stand of Alders
http://www.stanleyrice.com/
biology, ecology
Facts on File Encyclopedia of Evolution; Green Planet 

Marion Moore Hill
http://www.marionmoorehill.com/
mystery 
Scrappy Librarian series; Deadly Past Mysteries 

Will Thomas
http://www.willthomasauthor.com/
Victorian mystery
Barker & Llewelyn series 

---------------------------

William Gibson
http://www.williamgibsonbooks.com/
cyberpunk, steampunk, techno-thriller
Neuromancer; The Difference Engine 

Neal Stephenson
http://www.nealstephenson.com/
cyberpunk, historical s-f, techno-thriller
Snow Crash; The Diamond Age; The Baroque Cycle 

Bruce Sterling  
See: www.well.com/conf/mirrorshades/ 
     blog.wired.com/sterling/ 
"Mozart in Mirrorshades"; The Difference Engine 

John Shirley 
http://www.darkecho.com/JohnShirley/
cyberpunk 
Heatseeker; Black Butterflies; Everything Is Broken 

Rudy Rucker 
http://www.rudyrucker.com/
http://www.rudyrucker.com/writing/
cyberpunk, surreal, cyberspace nonfic 
some free online
Spaceland; Surfing the Gnarl 

Cory Doctrow
http://craphound.com/
tech & privacy, s-f, future distopia 
free online
Down and Out In the Magic Kingdom; Content; Little Brother

Neil Gaiman
http://www.neilgaiman.com/
s-f, horror 
Anansi Boys; Sandman  

Jay Lake 
http://www.jlake.com/
steampunk, s-f 
Mainspring; Escapement 

Scott Westerfeld 
http://scottwesterfeld.com/
steampunk, dystopian 
Midnighters; Leviathan; Uglies 

John Scalzi 
http://whatever.scalzi.com/
sf 
Old Man's War, Redshirts 

Edward Marston
http://www.edwardmarston.com/
historical mystery 
Inspector Colbeck (Victorian railroad) series 

Julie Andrews Edwards
http://www.julieandrewsonline.com/books.html
juvenile fiction 
The Last of the Really Great Whangdoodles; Mandy; Dumpy series 

The Julie Andrews Collection 
http://julieandrewscollection.com

Time Riders (Alex Scarrow) 
http://www.time-riders.co.uk/