More like Tesseracts 5

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Calculating GodNovel
Robert J. Sawyerstandalone novel2000
First contact, about aliens and faith and religion.
“The bulk of the novel covers the many discussions and arguments on this topic, as well as the nature of belief, religion, and science.”
from the catalogue
Stranger in a Strange LandNovel
Robert A. Heinleinstandalone novel1961
About aliens and faith and religion, set in north america and near future.
The FrescoNovel
Sheri S. Tepperstandalone novel2000
First contact, about aliens and political intrigue.
“The Fresco was on the shortlist for 2001 James Tiptree, Jr. Award”
from the catalogue
WhileawaySeries
series4 books1972
completed
About gender and society.
Start with When It Changed →
ContactNovel
Carl Saganstandalone novel1985
First contact, about aliens and space exploration.
“The Message, awaited for so long, its very possibility doubted by so many, arrives.”
from the catalogue
Odd JohnNovel
Olaf Stapledonstandalone novel1935
About genetic engineering, set in early 20th century.