Here is a list of writing resources I've found useful - especially those that get you through the "I'm never going to get through this" times.
I have found the advice and experiences of the following people, websites, and books extremely valuable for anyone who writes or is thinking about getting 'more serious' about writing.
Bird by bird by Anne Lamott
1,000 true fans by Kevin Kelly
On Writing by Stephen King
Draft. No 4: On the Writing Process by John McPhee
This section on the website of Holly Black (Author of The Spiderwick Chronicles)
This section on the website of Erin Morgenstern (Author of The Knight Circus)
Where Ideas Come From by Neil Gaiman (Author of American Gods)
This list will grow...
Creators, content, and stories I love:
You too can find love now by Ramona Ausubel
Today Will Be A Quiet Day by Amy Hempel
The Four Quadrants of Conformism by Paul Graham
The importance of libraries by Neil Gaiman
Novels & Series:
The Portrait of Dorian Gray by Oscar Wilde
Eragon by Christopher Paolini
River God by Wilbur Smith
The Harry Potter Series by J.K. Rowling
Other very cool things:
Jim Kay's illustrations for the Harry Potter series are simply gorgeous.