Particles and Their Interactions by J. G. Powles
1968. No Edition Remarks. 260 pages. Blue and black paper covers. Black and white illustrations throughout. Light tanning to pages; more prominent to text block edges. Sticker to reverse of front cover. Binding remains firm. Paper covers have light creasing, edge-wear and corner curling. Slight reading creases to front joint. Spine has minor rolling and creasing.