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The best book for marketing linked to sales is (Kotler) Marketing Strategy by Kotler Other books that helps with business value are as follow 1) Michail Porter - Value Chain, Competitive Advantages 2) Igor Ansoff - Strategic Planning And you can also look to new trends such as Growth Strategy Hacking and the AAARRR If you are not able to find any, let me know https://forms.office.com/Pages/ResponsePage.aspx?id=DQSIkWdsW0yxEjajBLZtrQAAAAAAAAAAAAYAAIggKUZUNkFSU1RPOVc5VUhMTkQ1VzYzT1FQNlNUMi4u
Report Hassan's answer
Read OG Mandino's book; The Greatest Salesman in the World. Get the part one and part two; it has some great insight on how to transform yourself and your organization to become a sales mechine.
Report Michael's answer
Misheck hi. Are the books for online business or offline?. There are commonalities in those two areas but also important differences.