V tret'ej knige Ekateriny Timashpol'skoj "Mitya Timkin. Proshchaj, nachalka!" neispravimyj vydumshchik i romantik Mitya okanchivaet chetvyortyj klass. Vperedi novaya zhizn' i, konechno, priklyucheniya! Ved' Mitya eshchyo ne reshil, kem byt' — dressirovshchikom slonov, stomatologom, cirkovym klounom, aktyorom? A mozhet, obuchit'sya iskusstvu zaklinaniya zmej? Ili stat' rycarem, ved' Timkin davno mechtaet o meche i dospekhah? Sportsmenom-plovcom tozhe mozhno... Hotya trener nameknula, chto i v sinhronnom plavanii Mitya mog by dobit'sya uspekha. I pet' Mitya, kak okazalos', lyubit. A eshchyo on nezhno otnositsya k svoej sem'e, cenit vernuyu druzhbu i verit v to, chto esli chego-to ochen'-ochen' zahotet', ehto nepremenno sbudetsya, tak chasto govorit Mitina mama, a k maminym slovam, konechno zhe, sleduet prislushivat'sya.