The secret adversary
by Agatha Christie ; Yvonne Collioud Sisko, editor.
- London : Harper, 1991.
- xvii, 400 p. ; 23 cm.
- A Longman annotated edition .
Includes index. "This is the full and accepted text for this novel"--Pref. A developmental English book which uses the text of Agatha Christie's The secret adversary as a foundation to improve students' reading and writing competencies.