Salt and Light: Being Different to Make a Difference is by Q. D. Smith, published in 2024 under the imprint Seeds of Authority. ISBN 9798333746566.
Set expectations honestly: this is a self-published 2024 book. There is very little independent information about it, no published reviews from established outlets, and no track record yet. That does not make it bad, and the subject is worth writing about, but you are buying an unknown quantity rather than a proven one, and you should know that going in.
What it covers
The book works through the two images Jesus uses in Matthew 5:13-16, salt and light, and asks what they actually demand of a Christian. Smith takes the properties of each seriously: salt preserves, seasons, and creates thirst; light exposes what is hidden and shows a better way.
From that he argues for distinctiveness. His concern is Christians who blend in so completely that there is nothing left to notice, and he presses the point that salt which tastes like everything around it is doing nothing. He also deals with the cost of standing out, and does not pretend the result is always admiration.
A recurring theme is influence from a minority position, which is the more interesting thread in the book. Smith’s claim is that a small distinct group can shift a culture, and that Christians tend to underestimate this because they measure by numbers.
The author’s angle
Smith writes from his own account of moving from spiritual confusion to clarity, and the personal material is where the book is strongest. He is not writing as a scholar and does not present himself as one.
What I could not verify
An earlier version of this review claimed the book contains small group discussion questions at the end of each chapter. I could not confirm that, so I am not repeating it. If you are buying it specifically to use in a men’s group, check the preview first rather than taking our word for it.
Who it suits
Reasonable for a reader who wants a straightforward walk through the salt and light passage and is comfortable buying from an unknown author. Also fine as a supplement if you are already studying the Sermon on the Mount.
If you want the best treatment of this material, you are better served by an established exposition of the Sermon on the Mount. This is a sincere book on a good subject, not the definitive one.
Bottom line
A sincere self-published treatment of Matthew 5:13-16 with a genuinely useful thread about influence from a minority position. Worth a look if the price is right and you know what you are buying.