4th edition. Undated but circa 1900. x, 606pp, plus publisher's catalogue at rear, with many black and white engraved illustration. Blue cloth-covered boards with gilt motif and black decorations on front panel, gilt lettering on the spine. Bevelled edges. 8vo. Cloth is a little worn, rubbed through on corners and spine ends, two small dark marks on verse. Scattered rust spots on endpapers; inked squiggle (perhaps a previous owner's signature?) on front paste down else internally neat, clean, bright and tight.