The Lotro wiki is woefully out of date on many things, especially the Lotro store offerings. I just went shopping for Fireworks recipes for my new Scholar, and the wiki said I could buy them individually with TP, although that section of the wiki had already been flagged as outdated. Then it said that you could buy recipe tomes that applied account wide, and that too is no longer available.
What is available as of U14 (can't speak for 14.1, LOL) is a per character, per profession, per Tier recipe tome. It includes all the repeatables, regardless of how they drop, but does not include one-shot or guild recipes (I assume it also doesn't include rep gated recipes). This is what I had access to so far:
All of T1 (including Yellow Fireworks recipe): 50 TP
All of T2 (including Green Fireworks recipe): 75 TP
All of T3 (including Blue Fireworks recipe): 125 TP
Given that fireworks recipes are selling in AH for about 5 - 15 Gold each, I find this pretty cost effective. For Tier 4 - 6, I'll have to seriously consider what the escalating price will be, and whether that is worth it.
Somebody with a higher skilled toon will have to see what the higher tiers sell for.
Gladnagl-Elf LM, Gerbil-Hob Burg, Hamskald-Dwf Guard, Mithlind-Hum Mini, Talarka-Elf Hunt, || Laurelin EN-RP -- For RP; Join Club Slotro; bit.ly/slowtro