Einstein, Albert — ESSAYS IN SCIENCE (2 copies sold together)

Philosophical Library, no printing dates (abridged editions, circa 1955 to 1965?). [ ] Two hardbacks in dj sold together (dj's fitted with protective mylar sleeves). Books themselves taken together VG to VG+ w/crisp clean covers & interior pages. DJ's taken together VG-, both very clean & no corners clipped. Imperfections: smaller book vertical crease to the rear free endpaper and couple of short tears top edge back panel, one with very small area of crinkling associated, while larger book has previous owner name/date in very light ballpoint across top edge ffep and a dj w/ a small chip out top edge back panel. RWR5 Science Philosophy Physics Research Relativity Very Good Very Good