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Sales Hacker Recommends: 97 Best Sales Books for Peak Performance (2020 Update)

Sales Hacker

The Sketchnote Handbook. Hall-of-fame-nominated marketer and Wall Street Journal cartoonist Stu Heinecke discovered that he could get past traditional gatekeepers and reach those elusive executives by thinking outside the box and using personalized approaches that he calls “contact campaigns.”. The 7 Habits of Highly Effective People.