The girl Shiki met in the library was the same girl that he had seen riding on the back of Sasajima's bike. The book she left behind has a marker stuck to the page on building quiz bowl buzzer systems. Is she involved with quiz bowl? As Shiki is thinking about all his, Mari tells him they're having a joint quiz bowl practice with another school today. That school turns out to be Miyaura High, the team that claims Mikuriya as a member!
but these marked pages 
have piqued my curiosity.
.لكنّ هذه الصّفحات المعلَّمة تثير فضولي
doch die markierten Seiten
haben mein Interesse geweckt.
pero siento curiosidad por estas marcas.
pero siento curiosidad por estas marcas.
Pourquoi avoir marqué ces pages…
Elle s’intéresse aussi aux quiz ?
ma queste pagine segnate mi incuriosiscono.
Mas as páginas marcadas
 me deixaram curioso.
Отмеченные места привлекли моё внимание.