"MCs": the two main characters in each book, i.e. the two romantic leads.
Beck and Call
Coercive relationship (not between MCs); unequal power dynamics (not between MCs); threat of sexual violence; blackmail (not related to threat of exposure of sexual orientation); references to unfair dismissal because of pregnancy
Sixpenny Octavo
False imprisonment without trial; miscarriage of justice; references to off-page threats of sexual violence; references to the vulnerable position of women in the workplace; unwanted courtship (no on-page sexual violence)
The Oak and the Ash
On-page injuries and surgery; death of a parent; perversion of justice; corruption in the justice system; threat of exposure of private life via tabloid journalism
Harvest Season
Threat of imprisonment
By Marsh and by Moor
Abusive relationship (not between MCs); secondary character stalked by an ex; state-sponsored violence; institutionalised violence; military conscription; PTSD and panic attacks