Bayan da ta halarci makarantar Achimota, Baitie ta karanci ilimin kimiya da ilmin sunadarai a Jami'ar Ghana, Legon, sannan ta sami digiri na biyu a fannin ilimin kimiya na kwaleji daga Jami'ar Surrey kuma yanzu haka tana gudanar da dakin gwaje-gwaje na likita a Adabraka. Tana son rubuta labarai tun tana ɗan shekara bakwai kuma ta dace da rubuce-rubucen ta game da aikinta na yau da kullun da rayuwar iyali a Accra tare da yara uku da miji. Tana rubutu bayan aiki, a karshen mako da kuma lokacin tafiya. Ta taba samun lambar yabo ta farko a cikin Burt Award don Littattafan Afirka wanda Kungiyar Kanada don Ci gaba ta hanyar Ilimi tare da tallafi daga Hukumar Kula da Littattafai ta Duniya (IBBY): a 2009 don littafinta na The Twelfth Heart da kuma a 2012 don The Dorm Challenge. The Twelfth Heart ta ci gaba da sayar da kwafi 35,000 a cikin shekaru biyu bayan kyautar. A shekara ta 2006 Baitie ta lashe kyautar Macmillan for Africa (Junior Readers) saboda labarinta "A Saint in Brown Sandals", kuma shekaru hudu da suka gabata littafin Lea's Christmas ya kasance cikin jerin sunayen 'Marubutan Macmillan na 2002 ga Afirka (Manyan Karatu).