This is books
- This is Paris (1959, 2004)
- This is London (1959, 2004)
- This is Rome (1960, 2007)
- This is New York (1960, 2003)
- This is Edinburgh (1961, 2006)
- This is Munich (1961)
- This is Venice (1961, 2005)
- This is San Francisco (1962, 2003)
- This is Israel (1962, reissued 2008)
- This is Cape Canaveral (1963, reissued 2009)
(Later published as This is Cape Kennedy and reissued as This is the Way to the Moon)
- This is Ireland (1964, reissued 2005)
- This is Hong Kong (1965, reissued 2007)
- This is Greece (1966, reissued 2009)
- This is Texas (1967, reissued 2006)
- This is the United Nations (1968)
- This is Washington, D.C. (1969)
- This is Australia (1970)
- This is Historic Britain (1974, reissued 2008)
Reissued as This is Britain.
All published by W. H. Allen in the UK, Macmillan in the US and various other publishers worldwide.
Other books written & illustrated by Sasek
- Benjamin a tisíc morskych dasu Kapitána
Prague: Ladislava Kuncire.
- Vesely kalendarik (Happy calendar) (1948)
Vysehrad: Detske Knihy Vysehradu.
- Stone is not cold (1961)
New York: The Citadel Press.
- Mike and the Modelmakers (1970)
London: Lesney Products & Co., Ltd.
Books illustrated by Sasek
- Jan Pilar. Krysar, versovana prohadka pre deti (1945)
Prague: Editor Dolezalovo nakladatelstvi, A. Dolezal Cervenem Kostelci.
- Gabriel Chevallier. Zvonokosy. (1948)
Prague: Nakladatelstvi F. Holas.
- Eduard Petiska. Sedm mamlasu. (1950?)
Also published in German by derkinderbuchverlag as Die sieben Schlemihle (1950).
- Wilhelmina Femmster Jashemski. Letters from
Boston: Ginn & Co.
- Effie Lee Morris. See the city! A beginner's
guide to San Francisco. (1967)
San Francisco: Publisher unknown.
- Max Colpet, Horst Lemke. Zoo ist das Leben : satierische