That typo is soooo revealing... 
I thought the amount of damage taken didn't transfer directly when you change size, but only the wound levels. For example, if I take, say, a 28 point wound at Size +3, which is an Incapacitating wound. When the spell expires, I don't. I don't keep the 28 points of damage and reapply it to myself at my current size. I had an Incapacitating wound before at Size 3, and I have an Incapacitating wound now at Size 0, not a new 28 Damage wound (which would be Dead).
At least that's how I've always interpreted it under 5e. It might have been different in 4e, don't feel like going and looking it up 
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I can live with that, too. I just figured it would be the other way around, because I hadn't read anything definitive... Call it a holdover from D&D, when buffs expired...
I'm definitely under the impression that wounds don't rescale themselves when size changes. But I looked in ArM5 just now and couldn't find it (either way) immediately.... 
The best source would be in Magi of Hermes under Hugh of Flambeau, he has two spells for this express purpose. It doesn't specifically say that the wounds don't resize (and thus kill the recipient when the spell ends) but logically they would not.
I believe i also asked this question on the Ars General forum and got the answer that they wouldn't. I'll see if I can find it.
Here's the thread:
https://forum.atlas-games.com/t/healing-wounds-when-you-have-increased-size/4317/1
The consensus was that the wound you took at the increased size would not worsen or better when you changed size. So a wound that would have been dead at size 0 is Incapacitating at size +3, if you used a spell to make your size +3 before the wound landed, when you reverted in size to 0 again the wound would still only be Incapacitating.
Alright, I can go with that... changes in size don't adjust the actual wound level.
In a moment of weakness, I'm considering sorting the Mons Electi library's summae according to the Com scores of their authors (or more generally, deciding how their Quality scores were achieved). The motivation is that when someone with high Com (higher than the author) reads a summa, they can gloss it to increase its Quality by 1 for readers thereafter (Covenants page 91). I know I know, a minor point to be sure. 
So, question: what do you expect the chances would be that a random summa would be written by someone with Com +3 or higher? 40%, more, less? (Note: that's a different question than the chances that a random person has Com +3 or higher: summae by high-Com people will tend to be more widespread than those by low-Com people.)
Well, the Writing Books section (p. 165, main rule book) says that the Quality for Summae is Com + 6 + Bonus, and for Tractatus Com + 6. Doesn't say what exactly the bonus is (part of it is, if you write at lower than your maximum allowed, you get a bonus), but I'd be tempted to say that an author's Communication is probably Qua – 6 – 3 (because I'm thinking that most of the widely-circulated books are written by magi with the Good Teacher Virtue),
I agree that the question is much different for tractatus than for summae. But changing one's assumption on the Art score of a summa's author from 30 to 40 can reduce their inferred Com score from +5 to 0 (because of the bonus for writing at a lower level). So for summae it's a lot murkier in my opinion - and much more variance in the Com scores than for tractatus (which I still think have quite a bit of variance, since Good Teacher may or may not be present, as well as the two extra Quality points for resonant materials).
Well, we need to go to the extended rules on quality for covenants, as I presume we are using them, therefore the books we have made use of them.
Covenants is just breaking out where the Com +6 +Bonus for tractatus and summae comes from. It's Com +3 + 1 for each of skilled bookbinder, scribe and illuminator. Are all of the books in ME's possession made with skilled professionals for each step of the process? I don't know. IMO, the way the writing process makes sense to me is that the magus writes, then the professionals lay it out from the magus's notes, and each professional puts a season of work into the final product.
I don't have anything to add, except to say that the higher the total of Quality and Level, the higher the com is going to be, just as a general rule. And I have a gut feeling that writing really falls apart if you look into the book production too closely. This is one of those things that I'd been hoping to avoid.
I will say that none of the books have been clarified, except Apollodorus's book on Rego. It is fully clarified and eligible to the +1 bonus, and will turn to dust if removed from the aura...
My hunch is that books in Hermetic libraries are nearly always made by skilled scribes, illuminators, and binders. And for a rich covenant like Mons Electi, I would go so far as to say that every book in our library has those three skilled bonuses, unless we have a specific story about where the book came from that indicates otherwise. (For example, Fiona copied some books from Durenmar. Did those books ever get scribed professionally and all the rest?)
Just for some calibration, to gather our thoughts: our library's Art summae's Level + Quality scores range from 25 to 31. (Notice that it's the Level + Quality that is the relevant stat: you can move a Level point to Quality within certain bounds, but the sum remains constant. So we can just assume that the Level equals half the author's Art score, for this exercise.) Here are some possible ways those scores might have arisen.
Level + Quality 25
- high-Com possibility: author Art score 28. Com 5 + 3 + 3 for skilled bonuses.
- medium-Com possibility: author Art score 28. Com 2 + 3 + 3 for skilled bonuses + 3 for Good Teacher
- medium-Com possibility: author Art score 34. Com 2 + 3 + 3 for skilled bonuses.
- low-Com possibility: author Art score 30. Com -1 + 3 + 3 for skilled bonuses + 2 for resonant materials + 3 for Good Teacher.
- low-Com possibility: author Art score 40. Com -1 + 3 + 3 for skilled bonuses.
Level + Quality 31
- high-Com possibility: author Art score 40. Com 5 + 3 + 3 for skilled bonuses.
- high-Com possibility: author Art score 30. Com 5 + 3 + 3 for skilled bonuses + 2 for resonant materials + 3 for Good Teacher.
- medium-Com possibility: author Art score 40. Com 2 + 3 + 3 for skilled bonuses + 3 for Good Teacher
- low-Com possibility: author Art score 42. Com -1 + 3 + 3 for skilled bonuses + 2 for resonant materials + 3 for Good Teacher.
What books is Tranquillina looking to gloss?
Unless you want to go through the whole library, this is a lot of work, for, I think, little reward.
If you're going to go forward, I think you need to start working probabilities, and treat Com + Good Teacher as one overall score (it makes life simpler), making the max effective Com 8. I would think that a Com 3 +Good Teacher could reasonably rewrite a Com 5 standard teacher, too, so it makes little difference, IMO to treat them as a macro score.
Just the summae she actually reads, since glossing can be done simultaneously. That has already included Magic Invictus (Parma Magica) and In Flux Veritas (Muto) and will soon include Twilight’s Inevitable Triumph (Vim), Threading the Hermetic Needle (Finesse), The Grandest Jest (Perdo), and The Stag, The Hound, and The Prince of the Seven Crowns (Rego).
Of course that means that a non-Good Teacher wouldn't be able to gloss as many summae. But I admit it makes sense to combine Com + Good Teacher.
Okay, here's a simple proposal (simplistic?).
effective Com = (Quality + Level)/3 (round down) - 11 + simple die. Maximum 8, minimum -1.
The 11 was chosen arbitrarily so that Q+L 27 summae fit right into the (-1)-to-8 range.
Trying to get a handle on troupe desires...
Roberto wants a dinner with Ariel with all of the Flambeau.
Fiona wants a dance (feast too?) on the last night of the Tribunal.
Rose/Akril is in flux, but it was my plan whether Rose was a PC or not, to try and get her to join Mons Electi, I still want to do that, but due to the Grand Tribunal delegate, she's going to hold off officially joining until after Grand Tribunal.
Alexei is Chief Hoplite, he needs to designate some deputies...probably talk to Celeres some.
Inviting troupe input (really it could be in-character input, for that matter): anything Mons Electi would like Tranquillina to try to do, Intrigue-wise? Probe alliances among major Hermetic players? Influence someone to act to further our interests? ...
First thing that came to mind was to get a gauge on how other covenants/magi feel about Mons Electi being the Tribunal capital (whether Normandy or Lotharingia).
After the vis pay out ( post 1227), Jacques will have to contract with Korvin about a better LR. +5 is not cutting it.