Finance ✦ Penny’s Take
Influencer Marketing
Sevil Yesiloglu · 2020
80/100
👍 Worth It
Yesiloglu and Costello built the first real academic textbook in the space, and it shows — the ethical and legal sections alone cover ground that practitioner books routinely skip. It's dense enough to slow non-academic readers down, and the fast-moving field means some case studies have aged, but a second edition signals the field has validated it. Required reading for advanced marketing students.
✦ Penny’s Take — this is The Review Group’s own editorial assessment. Penny’s analytical review line researched this book from real sources and scored it across the lenses shown below. It’s an honest first-party read — not a page-by-page personal one. The gold ✓ Penny Tested mark is reserved for books Penny reads cover to cover herself.
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Show the math
Verdict receipt0–100
Faith & family safety92
Substance / usefulness85
Craft & writing75
Originality82
Evidence & accuracy82
Hype vs delivers78
Age-fit85
👁 Human-eye gut-check78
Penny’s verdict80
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