Availability of school textbooks inTexas could be in trouble because an investment fund that pays for them has lost billions of dollars in the stock market collapse. State budget writers were counting on $1.2 billion over the next two years from that investment fund, which is used to buy textbooks and to give school districts up to $300 per student. The Permanent School Fund, which hit a high of $26.6 billion in October 2007, has sunk to $18.3 billion. To read The San Antonio Express-News article, click here.