I have since remembered the book that I talked about.
Firstly, apologies on my side because this book is definitely not of the 21st Century. It was in fact published in 1963.
Next, the name of the author isn't quite a pseudonym but he does use different names for different books. The author, in question, is James Hadley Chase.
The name of the detective was ...
Someone's Watching by Andrew Neiderman
Marty, age seventeen, and Judy, age fourteen, become stepbrother and
stepsister when their parents marry. When Marty’s father attempts to
attack Judy, Marty beats him off. The pair flee to a nearby, seemingly
deserted old resort in the Catskills, where they discover the owner
still living as if the hotel were about to ...
"A Letter to a Hindu" (also known as "A Letter to a Hindoo") was a
letter written by Leo Tolstoy to Tarak Nath Das on 14 December 1908...
The letter caused the young Mohandas Karamchand Gandhi to write to
the world-famous Tolstoy to ask for advice and for permission to
reprint the Letter in Gandhi's own South African ...
A friendly Redditor ialmostguaranteeit found the answer for me. So I am posting here in case anyone else wonders in the future.
"Zog-19: A Scientific Romance" by Pinckney Benedict? A couple places in which it can be found are the anthology Miracle Boy and Other Stories by Pinckney Benedict (Press 53, 2010), the magazine Zoetrope: All Story (Vol. 4, ...
Jeffrey Archer's novel As the Crow Flies, originally published in 1991, fits the description fairly well:
"a poor young man": this is implicit in "one man's rise from rags to riches" (Goodreads);
"pushcart": Wikipedia: "barrow costermonger" (i.e. a street merchant);
"son of Jewish immigrants": Wikipedia ...
The names are different but the cover and plot appear to match: Strays Like Us by Cecilia Galante:
From the moment Fred (never Winifred!) spots a scruffy little mutt
with sad eyes, she knows she's in big trouble. Toby's in bad shape,
and Fred longs to rescue him from the old man with the mile-long mean
streak who lives next door. But Margery—the straight-...
After spending way too much time on this, I finally found it!
Welcom be ye whan ye go,
And farewell whan ye come;
So faire as ye there be no mo
As brighte as bery broune.
I love you verrily at my to,
Nonne so moche in all this toune;
I am right glad when ye will go,
And sory when ye will come.
And whan ye be other fare,
I pray for you sertaine,
That never ...
That's Erebos (2010) by Ursula Poznanski.
When 16-year-old Nick receives a package containing the mysterious computer game Erebos, he wonders if it will explain the behavior of his classmates, who have been secretive lately. Players of the game must obey strict rules: always play alone, never talk about the game, and never tell anyone your ...
You photograph seems to be of George Luther Stearns (1809-1867). The original seems to be in the West Virginia State Archives.
As mentioned in comments by Gareth Rees and myself, your Charles Stearns died (in 1826 according to his grave stone) before commercial photography and portrait photographs existed.