Nesnesitelná lehkost bytí is written by Milan KunderaMilan Kundera wrote ŽertŽert is written by Milan Kundera. Milan Kundera wrote Život je jinde
[Human]: Do you know of any books like Nesnesitelna lehkost byti? [Assistant]: I do not know any that are similar.  Sorry.   [Human]: Do you know who wrote that one? [Assistant]: Sure, Nesnesitelna lehkost byti was written by Milan Kundera and Michael Henry Heim. [Human]: I think Milan Kundra wrote another book, Zert, that I read and I wonder if he wrote any other? 
Yes, he wrote  Život je jinde,  Směšné lásky and the Uncomfortable Heaviness of Existing.