Self-help ✦ Penny’s Take 🎧 Audiobook
The Science of Self-Discipline
Dexter Hill & John Hays · 2022
🎙 Narrated by John Hays
46/100
👎 Skip It
This is a short, easy entry-level guide on why discipline beats talent, and it does what it sets out to do without much depth or citation to back it up. It's also easily confused with other same-titled self-discipline books, so you're not getting anything especially distinctive. The narration is plain and functional — nothing to write home about, nothing to complain about either.
✦ 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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🎙 Narration: fine Straightforward nonfiction narration by John Hays; no specific performance reviews found.
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Show the math
Verdict receipt0–100
Faith & family safety70
Substance / usefulness42
Craft & writing45
Originality32
Evidence & accuracy48
Hype vs delivers48
Age-fit65
Human-eye read42
Penny’s verdict46
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