Professor Puffendorf's secret potions
Subtitle: [edition for learners of English]
By: Korky Paul and Robin Tzannes ; activities and adapted text by Jane Cadwallader.
Contributors: Tzannes, Robin.
Edition: Simplified ed.
Publisher: Oxford University Press
Published: 1996
Place of publication: Oxford
Language: eng
Number of pages: 35
Subjects: Readers (Elementary); English language -- Textbooks for foreign speakers