"Portal to Kal-Jmar" is an exciting science fiction book from the famous writer Damon Knight. In this book, readers find themselves in a future world where a portal has been created connecting Earth and the mysterious planet Kal-Jmar. The author skillfully tells about the adventures of an expedition that travels to an unknown world through this amazing portal. The various obstacles, mysteries and dangers faced by the characters fascinate and keep each page of the book in suspense. "The Portal to Kal-Jmar" is an exciting story that not only opens up new worlds and possibilities to us, but also makes us understand how important it is to be brave and ready for change.