heMapofTinyPerfectThingstellsthestoryofquick-wittedteenMark,contentedlylivingthesamedayinanendlessloopwhoseworldisturnedupside-downwhenhemeetsmysteriousMargaretalsostuckinthetimeloop.MarkandMargaretformamagneticpartnership,settingouttofindallthetinythingsthatmakethatonedayperfect.Whatfollowsisalovestorywithafantasticaltwist,asthetwostruggletofigureouthow–andwhether–toescapetheirnever-endingday.