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Review: Collision Course, by Michelle Diener

Series:	Class 5 #6
Publisher:	Eclipse
Copyright:	November 2024
ISBN:	1-7637844-0-1
Format:	Kindle
Pages:	289

Collision Course is the sixth novel in the Class 5 science fiction series and the first that doesn't use the Dark X naming convention. There are lots of spoilers in this story for the earlier books, but you don't have to remember all the details of previous events. Like the novella, Dark Ambitions, this novel returns to Rose, Sazo, and Dav instead of introducing another Earth woman and Class 5 ship.

In Dark Class, Ellie discovered an interesting artifact of a previously-unknown space-faring civilization. Rose, Sazo, and Dav are on their way to make first contact when, during a routine shuttle flight between the Class 5 and Dav's Grih military ship, Rose is abducted. The aliens they came to contact have an aggressive, leverage-based negotiating strategy. They're also in the middle of a complicated war with more sides than are readily apparent.

What I liked most about Dark Horse, the first book of this series and our introduction to Rose, was the revealed ethical system and a tense plot that hinged primarily on establishing mutual trust when there were excellent reasons for the characters to not trust each other. As the series has continued, I think the plots have become more complicated but the ethical dilemmas and revealing moments of culture shock have become less common. That is certainly true of Collision Course; this is science fiction as thriller, with a complex factional conflict, a lot of events, more plot reversals than the earlier books, but also less ethics and philosophy.

I'm not sure if this is a complaint. I kind of miss the ethics and philosophy, but Diener also hasn't had much new to say for the past few books. The plot of Collision Course is quite satisfyingly twisty for a popcorn-style science fiction series. I was kept guessing about the merits of some of the factions quite late into the book, although admittedly I was in the mood for light entertainment and was not trying too hard to figure out where the book was going. I did read nearly the entire book in one sitting and stayed up until 2am to finish it, which is a solid indication that something Diener was doing worked.

I do have quibbles, though. One is that the ending is a bit unsatisfying. Like Sazo, I was getting quite annoyed at the people capturing (and recapturing) Rose and would have enjoyed somewhat more decisive consequences. Also, and here I have to be vague to avoid spoilers, I was expecting a bit more of a redemption arc for one of the players in the multi-sided conflict. The ending I did get was believable but rather sad, and I wish Diener had either chosen a different outcome (this is light happily-ever-after science fiction, after all) or wrestled more directly with the implications. There were a bit too many "wait, one more thing" ending reversals and not quite enough emotional payoff for me.

The other quibble is that Collision Course was a bit too damsel in distress for this series. Rose is pregnant, which Diener uses throughout the book as a way to raise the stakes of the plot and also make Rose more annoyed but also less capable than she was in her earlier novel. Both Sazo and Dav are in full heroic rescue mode, and while Diener still ensures Rose is primarily responsible for her own fate, there is some "military men attempt to protect the vulnerable woman" here. One of the things I like about this series is that it does not use that plot, so while the balance between Rose rescuing herself and other people rescuing her is still tilted towards Rose, I would have liked this book more if Rose were in firmer control of events.

I will mostly ignore the fact that a human and a Grih sexually reproducing makes little to no biological sense, since Star Trek did similar things routinely and it's an established genre trope. But I admit that it still annoys me a bit that the alien hunk is essentially human except that he's obsessed with Rose's singing and has pointy ears. Diener cares about Rose's pregnancy a lot more than I did, which added to my mild grumpiness at how often it came up.

Overall, this was fine. I prefer a bit more of a protagonist discovering how powerful she is by making ingenious use of the ethical dilemmas her captors have trapped themselves in, and a bit less of Rose untangling a complicated political situation by getting abducted by every player serially, but it still kept the pages turning. Any book that is sufficiently engrossing for me to read straight through is working at some level. Collision Course was highly readable, undemanding, and distracting, which is what I was looking for when I read it. I would put it about middle of pack in the series. If Rose's pregnancy is more interesting to you than it was to me, that might push it a bit higher.

If you have gotten this far in the series, you will probably enjoy this, although it does feel like Diener is running out of new things to say about this universe. That's unfortunate given the number of threads about AI sentience and rights that could still be followed, but I think tracing them properly would require more philosophical meat than Diener intends for these books. Which is why the next book I grabbed was a Culture novel.

Currently this is the final book in the Class 5 series, but there is no inherent reason why Diener couldn't write more of them.

Rating: 7 out of 10

19 Apr 2026 4:52am GMT

I was hosted for a long time, free of charge, on https://www.branchable.com/ by Joey and Lars. Branchable and Ikiwiki were wonderful ideas that never took off as much as they deserved. To avoid being a burden now that Branchable is nearing its end, I migrated to a VPS at Sakura.

However, I have not left Ikiwiki. I only use it as a site engine, but I haven't found any equivalent that gives me both native Git integration, wiki syntax for a personal site, the creativity of its directives (you can do anything with inline and pagespec), and its multilingual support through the po plugin.

Joey and Lars, thank you for everything!

18 Apr 2026 1:37pm GMT

If you have recently installed a very up-to-date Linux distribution with a desktop environment, or upgraded your system on a rolling-release distribution, you might have noticed that your home directory has a new folder: "Projects"

Why?

With the recent 0.20 release of xdg-user-dirs we enabled the "Projects" directory by default. Support for this has already existed since 2007, but was never formally enabled. This closes a more than 11 year old bug report that asked for this feature.

The purpose of the Projects directory is to give applications a default location to place project files that do not cleanly belong into one of the existing categories (Documents, Music, Pictures, Videos). Examples of this are software engineering projects, scientific projects, 3D printing projects, CAD design or even things like video editing projects, where project files would end up in the "Projects" directory, with output video being more at home in "Videos".

By enabling this by default, and subsequently in the coming months adding support to GLib, Flatpak, desktops and applications that want to make use of it, we hope to give applications that do operate in a "project-centric" manner with mixed media a better default storage location. As of now, those tools either default to the home directory, or will clutter the "Documents" folder, both of which is not ideal. It also gives users a default organization structure, hopefully leading to less clutter overall and better storage layouts.

This sucks, I don't like it!

As usual, you are in control and can modify your system's behavior. If you do not like the "Projects" folder, simply delete it! The xdg-user-dirs utility will not try to create it again, and instead adjust the default location for this directory to your home directory. If you want more control, you can influence exactly what goes where by editing your ~/.config/user-dirs.dirs configuration file.

If you are a system administrator or distribution vendor and want to set default locations for the default XDG directories, you can edit the /etc/xdg/user-dirs.defaults file to set global defaults that affect all users on the system (users can still adjust the settings however they like though).

What else is new?

Besides this change, the 0.20 release of xdg-user-dirs brings full support for the Meson build system (dropping Automake), translation updates, and some robustness improvements to its code. We also fixed the "arbitrary code execution from unsanitized input" bug that the Arch Linux Wiki mentions here for the xdg-user-dirs utility, by replacing the shell script with a C binary.

Thanks to everyone who contributed to this release!

18 Apr 2026 8:06am GMT