A few examples of appraisal values for
BUBBLE BOOKS

• 7 vols. "Bubble Books": The Bubble
  7 vols. "Bubble Books": The Bubble Book [1]; Second Bubble Book [2]; The Animal Bubble Book [4]; The Pet Bubble Book [6] (2 copies); The Merry Midgets [9]; Tippy Toe Bubble [11]. New York: Harper, (1917-1920) [but 1918-20]. Oblong 8vo, orig. color pictorial bds.; scattered light to moderate wear. Color illus. Each with 3 phonograph records; 1 record in 1 copy of The Pet Bubble Book chipped; 1 record in The Tippy Toe Bubble Book broken.