Horseradish is at its best in fall and winter. Like so many other root vegetables, however, it stores well and is often available in decent shape well into spring. Jerusalem artichokes/sunchokes are brown nubs, that look a bit like small pieces of fresh ginger.
Using Ms. or Mrs. in a cover letter depends on whether or not you know the marital status of the woman. If you are ever uncertain, it is always safe to use Ms. because it does not make an assumption about her marital status.
Other Types of Letters. People often confuse a letter of introduction with other types of job search letters. A letter of introduction is not a cover letter. A cover letter is a document sent with your resume and other job application materials. It explains why you are qualified for the specific job for which you are applying.