The Britishey CELTA Handbook is a comprehensive reference and training guide published by Britishey Training Centre to support candidates enrolled in the Cambridge CELTA (Certificate in Teaching English to Speakers of Other Languages) course, across both face-to-face and online formats. Developed by experienced Cambridge-approved teacher trainers (led by Main Course Tutor Ahmed Naser), the handbook serves as a single-source roadmap bridging Cambridge assessment criteria with day-to-day classroom execution.