"I have been — and remain — very grateful to you for your prayers and to God for his steadfast love," the British monarch writes in the foreword to The Servant Queen and the King She Serves, which is to be released in April.

"I have indeed seen His faithfulness," she adds.

Thousands of churches will reportedly be giving away copies of the book, which is being published by HOPE, Bible Society and the London Institute for Contemporary Christianity, according to the Church of England. ...