"Galileo: Kindan no Majutsu" and "Suspect X" are similar as they both feature Dr. Manabu Yukawa, a brilliant physicist who uses his scientific expertise to solve intricate crimes. Written by Keigo Higashino, both stories are part of the same series and involve Detective Shunpei Kusanagi working alongside Yukawa. They share themes of intellectual duels, the application of scientific principles in crime-solving, and deep moral and ethical explorations. Both novels combine mystery, crime, and detective genres, showcasing complex plots that challenge the protagonists' and readers' analytical skills.