9.5x6.5", EX-LIBRARY, usual markings, t.e.g, covers faded, rubbed and stained, corners bumped, spines darkened and torn, spine tips torn and frayed. Condition of contents varies from volume to volume, but most have cracked inner hinges and splitting. Some have loose covers/illustrations/pages/frontis, etc., torn pages and maps, smudging. Vol. 1 has light waterstaining and loose signatures; Vol. 8 has light staining and top edge dented; Vol. 29 has new endpapers and Vol. 31 has roughly opened pages. FIRST EDITIONS. SIGNED PRESENTATION COPY FOR THE PUBLISHER, "PRESENTED TO MY FRIEND, JOHN W. PERRINS WITH THE KINDEST REGARDS AND BEST WISHES OF ARTHUR H. CLARK, XMAS 1909"