Published by Oyez Books. Middle-grade book suitable for ages 9-13.
In ‘The Door Under the Stairs’ series Joe, Hanna and Emil discover a mysterious door under the stairs at their school which takes them back in time where they meet various Malaysian heroes and help them solve mysteries related to the history of Malaysia. There are eight books in this middle grade series.

In this fourth adventure, the three friends travelled back to the Japanese occupation of Malaya and met the heroic nurse, Sybil Kathigasu. They also discovered they were not the only ones who have been going through the door back to the past!