Book (Practical) Children's book Four Signs / Conan Doyle / Tsukasa Kobayashi

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

Children's Books
[Introduction to the Contents]
The author is Miss Morstan, whose father disappeared 10 years ago and pearls have been sent from a mysterious person for 6 years.
It seemed to be solved soon, but there was a complicated background in the incident involving Indian treasures.
The mystery of the Four Signs is challenged by Mr. Holmes!
Brief history of author :
Born in Aomori Prefecture in 1929.
Doctorate at the University of Tokyo.
Doctor of Medicine.
Psychiatrist.
Went to the United States as a Fulbright researcher.
Served as a professor at the Sophia University Counseling Institute and became the director of the International Center for Mental Health.
Known as a world-class researcher of Holmes.
A member of the Baker Street Ilregulars (BSI).
Founded and chaired the Nihon Sherlock Holmes Club in 1977.
His major books include "What is 『 Ikigai 』?" and "Protecting the Brain".
Returned to Japan in 2010.