Cover art
Harrison, Harry. West of Eden. Bantam 1984.

Harrison, Harry. Eden Trilogy
Divergence: c 65,000,000 BCE
What if: The KT extinction event never occurred, and dinosaurs continued to live and evolve.
Series note: Series composed of West of Eden, Winter in Eden, and Return to Eden.
Comments: Synopsis in Lodi-Ribeiro's "Histórias Naturais Alternativas", q.v.
Original in: English.
Translation: Italian of complete trilogy by Gianluigi Zuddas as Il libro degli Yilanèg, Nord 1997 (8842909874).

Cover art
Harrison, Harry. West of Eden. ibooks 2000.

Harrison, Harry. West of Eden
Divergence: c 65,000,000 BCE
Summary: Millions of years later, saurian Yilané from the cooling Old World establish a colony on the northern continent of the New, and there encounter large mammals, including the sapient ustuzou. One captured ustuzou later becomes their worst enemy.
Series note: First in the Eden Trilogy.
Published: Bantam 1984 (0553050656BUY), 1985 (0553249355BUY, <<0553265512>); Granada 1984 (0246120029), 1985 (058605781); SFBC 1985; Grafton 1985 (0586057811BUY); ibooks 2000 (0743400135BUY), 2004 (0743487184BUY).
Original in: English.
Translation: Czech by Martin Janda as Na zapad od raje, Laser 1995 (8071930091).
Translation: Nederlands by Annemarie Lodewijk as Ten Westen van Eden, Meulenhoff 1991 (9029042494).
Translation: German by Walter Brumm as Diesseits von Eden, Goldmann 1984 (3442084091), 1990 (3442234603), 1991 (3442410894).
Translation: Italian by Gianluigi Zuddas as L'ègra degli Yilanè, Nord 1989 (8842903965), 1997 (8842909874).
Translation: Polish by Janusz Pultyn as Na zachod od Edenu, Phantom 1992.
Translation: Portuguese by Ana Maria Falcão as A Oeste do Éden, Gradiva 1986.
Translation: Spanish by Domingo Santos as Al oeste del Edén, Destino 1988 (8423316521).

Cover art
Harrison, Harry. Winter in Eden. Bantam 1986.

Harrison, Harry. Winter in Eden
Divergence: c 65,000,000 BCE
Summary: The conflict between Yilané and ustuzou is rejoined as the saurians try to regain their lost colony. Meanwhile, a group of renegade Yilané establish a colony in a region thought to be unexplored.
Series note: Second in the Eden Trilogy.
Published: Grafton 1986 (0246126124), 1987 (0586064796); Bantam/Spectra 1986 (0553051636BUY), 1987 (0553268201BUY, 0553266284BUY); SFBC 1987; ibooks 2001 (0743412915BUY).
Original in: English.
Translation: Czech by Martin Janda as Zima v raji, [[publ. unknown]] 1999.
Translation: Nederlands by Annemarie Lodewijk as Winter in Eden, Meulenhoff 1992 (9029044586).
Translation: German by Angelika Weidmann as Winter in Eden, Goldmann 1992 (3442412250).
Translation: Italian by Gianluigi Zuddas as Il nemico degli Yilanèg, Nord 1990 (884290404X).
Translation: Polish by Janusz Pultyn as Zima w Edenie, Phantom 1992.
Translation: Spanish by Domingo Santos as Invierno en Edén, Destino 1989 (8423317919).

Cover art
Harrison, Harry. Return to Eden. Bantam/Spectra 1988.

Harrison, Harry. Return to Eden
Divergence: c 65,000,000 BCE
Summary: The series concludes as feuds are resolved and other loose threads are collected.
Series note: Third in the Eden Trilogy.
Published: Bantam/Spectra 1988 (0553053159BUY), 1989 (0553277006BUY); SFBC 1988; Grafton 1988 (0246133805), 1989 (0586064818); ibooks 2001 (0743423747BUY).
Original in: English.
Translation: Czech by Jana Reekova as Navrat do raje, Laser 2000.
Translation: Nederlands by Annemarie Lodewijk as Terugkeer naar Eden, Meulenhoff 1993 (9029046406).
Translation: German by Angelika Weidmann as Rueckkehr nach Eden, Goldmann 1992 (3442411432).
Translation: Italian by Gianluigi Zuddas as Scontro finale, Nord 1990 (8842904090).
Translation: Polish by Janusz Pultyn as Powrot do Edenu, Phantom 1992.
Translation: Spanish by Domingo Santos as Regreso a Edén, Destino 1990 (8423319237).