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Ghost of the Hardy Boys, by Leslie MacFarlane, 1976, ISBN 9781567927177. I have a copy of the 2022 GODINE edition. The cover is by Dan Grissom.

Across the Space Frontier, Joseph Kaplan, Wernher von Braun, Heinz Haber, Willy Ley, Oscar Schatchter, Fred Whipple, edited by Cornelius Ryan, Viking Press, 1952. part of a prose exposition and elaboration of von Braun’s The Mars Project, the technical appendix of Project Mars,

Von Braun describes a lunar excursion, to be undertaken as a way to ease into interplanetary travel, and map the landing site for a lunar expedition.

Some of the sci-fi books I read during my childhood had this great endpaper…

You can find some interesting grafitti on the east side of I-25, just south of exit 262 (Colorado 392, Windsor, CO) in Colorado.

The Peripheral, William Gibson, 2015. ISBN 0670921556.

Revelation Space by Alastair Reynolds, 2000, ISBN 978-0-316-46244-0, Orbit Books print edition 2020.

Another puzzle courtesy the Daily Coding Problem email list.

Daily Coding Problem: Problem #1578 [Hard]

This problem was asked by Facebook.

Given an array of numbers of length N, find both the minimum and maximum using less than 2 * (N - 2) comparisons.

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Github repo for my solution.

Across the Space Frontier, Joseph Kaplan, Wernher von Braun, Heinz Haber, Willey Ley, Oscar Schatchter, Fred Whipple, edited by Cornelius Ryan, Viking Press, 1952.

In a sense, this book is part of a prose exposition, and elaboration of von Braun’s The Mars Project, the technical appendix of Project Mars,

I have a copy from the second printing, June 1953

It snowed at my place the night of October 29, 2023. The next day I saw the most Colorado thing possible.