No Head Fred Says to Send Thanks. The fourth book in the No-Head Fred series helps promote and reinforce thanking those who serve others. Help children realize the sacrifices, love, and hard work that those in service careers give. The books also teach the steps and format of writing letters. Sending thanks through a letter can emit feelings of pride and happiness for people in jobs that help others. Letter writing is becoming a lost art in today's world of technology. Sending and receiving letters and cards through the mail gives a warm and connected feeling. Taking the extra time and effort to write on paper with pen lets loved ones know you care! So send a letter by mail today!