Toshikazu Kawaguchi's most popular book is Before the Coffee Gets Cold with 1995 saves and an average rating of 3.67.
Series
6 primary booksAuthored 100% of series
Before the Coffee Gets Cold is a 6-book series with 6 released primary works first released in 2015 with contributions by Toshikazu Kawaguchi and 川口 俊和.
Series
2 primary booksAuthored 100% of series
Before the Coffee Gets Cold is a 2-book series with 2 released primary works first released in 2015 with contributions by Toshikazu Kawaguchi.