Now I think about it, it's been easily over a decade since I first read about this book...
Magical Zunou Power!! ("Magical Brain Power!!") was a long-running primetime television quiz program presented by Bandou Eiji and featured a mostly fixed pool of participants of television personalities, some of which are nowadays so huge they have their own television programs like Tokoro George. The program consisted of several rounds of various quizzes with which you could earn 'Brain Power' and of course, the one who has accumulated the most BP at the end, wins that week's episode. The show itself ran from 1990 until 1999, but for the mystery fans, the period that is of interest, is the early days of the show, from 1990 until 1992. For it was during this period, the final round was the Magical Mystery Theater: a short 5-10 minute drama show where a mystery would be presented. While the Magical Mystery Theater segments are all very short, there is "continuity" between them: in the 'series', we follow the private detective Nakatani Shouichi and his niece Natsuko, a college student who acts as her uncle's assistant. The difficulty of each 'story' would be indicated with a Brain Power value, which was also the maximum of points you could earn if you got the answer right (you could be rewarded points for getting it partially correct). After watching the video, the participants would have to guess how it was done or who did it, with an explanation of course. Once everybody had presented their answers, a final, one minute video would follow with the solution. As it's just one round in a quiz program and participants need to be able to briefly explain their solutions, most of these stories are fairly simple in set-up and often revolve around just one single idea, but even so, some of the ideas seen in these segments are actually quite interesting. That is easily explained, when you learn that among those who provided the screenplay writers with the core mystery plots, there are mystery writers like Orihara Ichi, Abiko Takemaru and Shinpo Hirohisa. According to Abiko, Magical Mystery Theater was actually the highest-rated part of the program initially, but even after the overall show started to get higher ratings, this segment's ratings didn't really change accordingly, so it was eventually cancelled.
On the other hand, the eleven stories in this volume are also decidedly not Magical Mystery Theater stories... because obviously, Shinpo doesn't own the show and the characters created for that show. Because of that, he has rewritten all these scenarios with new characters, as well as sometimes changing the plot/trick/clues to accomodate for the book format. It's not the detective Nakatani nor his niece Natsuko who stars in these stories, but we mostly follow Yukiko and Fuyumi, two friends who after graduating haven't quite decided what to with their lives, and so Fuyumi suggest they become detectives, much to Yukiko's shock. They apply at the agency of the detective Mei, but while they don't get hired, they remain on friendly terms with him, occasionally getting him involved in the incidents they end up in, or vice-versa. One important thing to note is that this book also features many original illustrations by Noma Miyuki, the creator of the extremely long-running mystery manga Puzzle Game ☆ High School. They really add a lot of character to this book, especially as it's not 'just' character art, but also depictions of scenes from the stories etc.
Ultimately, these stories were created to be quizzes, so they are by design very straightforward and simple, usually only utilizing one single idea. The book acually retains the "Brain Power" concept of the original show, with each story being worth a number of points, and there's usually also a story section before the solution, that is considered optional: you can skip it to get a high score, or read it to be pushed in the right direction. Note that this optional section isn't just a list of hints, it's a proper part of the story with dialogue and sometimes even story developments. But because many of them are really just single-idea concepts that you may have seen elsewhere already, I am not going to discuss each story this time.
The first story, Hito wo Kuu Heya ("The Room That Eats People") is the story that first made me aware of this book: it was mentioned in a mook on locked room murder mysteries edited by Arisugawa, being mentioned in a long list of recommended short locked room/impossible crime stories. In this story, we first see Fuyumi and Natsuko visit the detective agency of Mei, who decides to test the two girls with an excercise in a stake-out. He puts his assistant Dan in a room, and tells Yukiko and Fuyumi to keep an eye on the room, making sure his assistant doesn't escape. Fuyuko is told to watch the door from the corridor, while Yukiko is brought outside and told to watch the window from the street. After a hour, the two are to swap places, and after another hour, Yukiko is to enter the room and apprehend Dan. The two girls do as told, and two hours pass by without anything suspicious happening in the room. But when Yukiko enters the room, she finds the room empty. How did Dan escape? The trick behind Dan disappearing from a room under observation is pretty simple and it's likely you will have seen a variation of the same idea before, but Shinpo does a great job at planting the clues that point to that solution, and I would have loved to have seen the Magical Mystery Theater segment. In the essay, Shinpo mentions how Miyabe Miyuki told him how she really liked the tale, only for Shinpo to reveal he actually got the idea from a Miyabe story, transforming it in a way so even she herself didn't recognize it!
In Totemi Kimyou na Yuukai ("A Very Curious Abduction"), Mei tells Fuyumi the tale of the abduction of Yuuka, the daughter of a client, with whom he often played shogi. Mei was present when the father received the call, instructing him to go to a coin locker at the station with a stash of money. Mei is sent instead, and in the coin locker, he receives further instructions to make a phone call to a certain number from the public payphone in a nearby park. The number given goes to Osaka, but the man answering the call says that while he does know Yuuka, he doesn't know anything about an abduction. Because of that, the money deal with the kidnapper seems to have failed, and Yuuka is soon found murdered in a nearby park. Police investigation show that the man answering the phone call in fact did have a perfect alibi for killing Yuuka, but how could have kidnapped Yuuka and killed her in Tokyo, if he answered a phone call in Osaka? The trick itself I find remarkable because it is so much a trick that only works in the period this story was created: it wouldn't fly at all now, because society has changed so much and we don't use certain things anymore. But that is why I really liked this story: it is a simple, but clever trick, but it would also be very understandable to people who don't have any interest in mystery fiction, because it used an object people would know in the nineties in an original manner, but also a manner which would make you go "Aha!" because it's actually so simple. There are a few other stories that have a similar vibe, using everyday life objects/customs of the early nineties which feel out-of-date/not obvious anymore, like in Satsujin yo, Kinou ni Kaere ("Murder, Go Back to Yesterday"), where an alibi is shot down by pointing out a certain object isn't where it should be, but which nobody in Japan nowadays would really think of.
Satsujin Trick Gekijou isn't really a must-read for mystery fans, though I would definitely recommend it to those who used to watch Magical Zunou Power!! as the behind-the-scenes essays are really interesting (and I say that as someone who hadn't even seen the show!). And of course, I do have an interest in mystery shows that are formally divided in problem and solution sections, so being able to experience the show in some manner, even if in a different format, is something I appreciate a lot. While most of the stories in this book are very simple, focusing on single-idea tricks that you likely have seen in other mystery-themed quizzes, or other mystery stories already, I find the presentation of this book very consistent: Noma Miyuki's illustrations do some of the lifting, but Shinpo's writing is easy, and while the main tricks are pretty simple overall, he does a very consistent job of properly clewing everything, making these stories a bit more involving than just single-concept mystery quizzes.
