Taking a sabbatical to concentrate on writing is an excellent way to escape the daily grind and focus on a creative endeavor. Some synonyms for "took sabbatical to concentrate on book" include "temporarily withdrew from work to commit to writing," "took a leave of absence to dedicate time to a manuscript," or "embraced a hiatus to pursue literary goals." These phrases highlight the writer's commitment to their craft and emphasize the importance of stepping away from other responsibilities to prioritize their writing. Whatever the wording, the message remains the same: the writer is taking a break to concentrate on creating something meaningful and hopefully unforgettable.