Samuel K.K. Blankson / Samuel K.KBlankson
Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
Sommaroy sees no sunset for approximately 69 days of each year, during which the residents of this small Norwegian village enjoy perpetual daylight. This has inspired the Ghanaian philosopher, Samuel K. K. Blankson, to develop the philosophy of secular time based on daylight in astronomy.