Explore and share ten of my favorite books to give gifts that keep giving long after the wrapping paper has been recycled. As the holiday season and gift-giving is in full swing. Make gift giving easy with unique green gifts that keep on giving at Synonyms.com, the largest fundraising campaign in MTSU's history, is having a transformative effect on programs and students across campus. This year, make your holiday gifts a bit of thought. This year, make your holiday gifts a bit of thought.