Oh, give me a cozy afternoon with tea and a Kleypas book and I'm in heaven — if you're wondering where to start, I would kick things off with the Wallflowers quartet and savor it slowly.
Begin with 'Secrets of a Summer Night', then read 'It Happened One Autumn', followed by 'Dreaming of You' and finish that set with 'Scandal in Spring'. Those four feel like the perfect introduction because they establish Kleypas's voice: witty heroines, stubborn heroes, and that warm, emotional payoff. Each heroine gets her own story but the group dynamic rewards you if you read them in order.
After that, shift to the Hathaways: start with 'Mine Till Midnight', then 'Seduce Me at Sunrise', then 'Tempt Me at Twilight', and follow through with the later additions that tie up the family arcs. The Hathaways are sweeter and a little more domestic — I loved how the family chemistry carried the emotional weight and made the romance scenes land harder.
If you fall in love with her historicals (and you probably will), try her contemporary small-town books next — the 'Friday Harbor' stories, beginning with 'Rainshadow Road' and the holiday novella 'Christmas Eve at Friday Harbor' are gentle, modern comforts. Honestly, reading Kleypas this way felt like moving from a raucous party into a warm living room; I kept lingering for more.