The first was published by Royce Publishers of Chicago on 1945. The book is 78 mm x 117 mm (3 1/16" x 4 9/16") and 128 pages. At this size only the first of Gulliver's four travels, to Lilliput, is seen.
Quick Reader 136
Next are two Pocket Books editions from 1939 and 1957. Then a 1963 edition from New York's Airmont Books.
Pocket Books 34
Pocket Books PL51
A couple of tie-ins to the 1939 animated film from the Dell Publishing Company are next. The contents are identical except for the addition of colouring pages in the second version.
Finally here is a Chinese version, likely from the 1930s, of travels one and two. Both are 130 mm x 186 mm (5 1/8" x 7 3/8").