"And just look at these books!" said Hermione excitedly, running a finger along the spines of the large leather-bound tomes. "A Compendium of Common Curses and Their Counter-Actions...The Dark Arts Outsmarted... Self-Defensive Spellwork...wow..." She looked around at Harry, her face glowing, and he saw that the presence of hundreds of books had finally convinced Hermione that what they were doing was right.
from Harry Potter and the Order of the Phoenix, by J.K. Rowling
When I heard Hermione proclaiming on the audiobook we were listening to, I was reminded of Katharine Hepburn (as Jo) in the 1933 movie "Little Women" on her first visit to the Laurences' home next door. "What richness!" she sings out in joy.
I understand completely.