This book edition has been formatted to the highest digital standards and adjusted for readability on all devices. The plot of "Adaptation" is set far in the future where social experiments need to bring long-lost space colonies to contemporary levels of technology. In "Ultima Thule" the main focus is on fragility of society and its relation with the technological progress. Both stories are written as an allegory of everlasting argument - which society is better: capitalist or communist?