Fattypuffs and Thinifers (ISBN 1-903252-07-5) is a 1941 translation of the French children's book Patapoufs et Filifers originally written in 1930 by André Maurois.

Terry also rises through the ranks quickly in the land of the Thinifers, workaholics all, who scarcely eat, and who rush to and from their country, which is all high, sharp spires and thin railway cars.

Their main source of tension lies over ownership of an island in the gulf that separates the countries, and what to call it - the Fattypuffs prefer "Fattyfer," the Thinifers "Thinipuff."

Many soldiers of the occupying army of the Thinifers begin to marry Fattypuff girls, and return to their homeland with affection for the country that they conquered.

"To The Times Literary Supplement on 27 December 1941, 'This most amusing fantasy' won pride of place in a review of many juveniles, but purely as comedy..."[1] "From France comes this hilariously nonsensical account of an underground land divided into two countries...

The story offers endless possibilities for discussion in the classroom around the subject of politics and international conflicts, but most of all it will be enjoyed for its ingenious plot and zany characterisation.

Two countries who are hereditary enemies, with divergent cultures and ways of life—one endlessly, pedantically precise and methodical, the other addicted to gourmet food and the good things of life - who can they be but Germans and French.(...)