“O Heart, Vigilant and Sincere: A Prayer Guide Written for Teachers, by Teachers, Volume One” is a spiritual resource written by six educators from different states in America, with a combined 99 years of experience in teaching and administration. The guide offers monthly themes and weekly “Teachable Moments” to help teachers guard their hearts against the world’s lies, strive for a pure and sincere heart, and be at peace, even amidst chaos. It encourages the use of the text to centre TWP chapter prayer meetings and keep a record of prayers answered.