Volume 52 was released on January 16, 2006 in Japan.
Cast
Gadgets
Star Blade Case
File 533 - Suspicious Action!?
File 534 - Connection Sneak Peek
People
Fake Wedding Case
File 535 - Wedding Hall Panic
File 536 - The Uninvited Guest
File 537 - Wedding Battle
People
Overturned Belongings Case
File 538 - Out of Ordinary Room
File 539 - Upside Down Mystery
File 540 - The Thing He Wanted to Hide
People
Sonoko's Handkerchief Case
Characters introduced
File 541 - Sonoko's Red Handkerchief
File 542 - Name in Katakana
File 543 - Superman
People
Cover in other countries
Republic of China (Taiwan)
See also