More Greater Des Moines-area adults are seeking help with literacy skills. At Drake University’s Adult Literacy Center, demand for services is up 21 percent and is outpacing the supply of volunteers to tutor participants in reading, writing and speaking. The center has worked with more than 140 adults this year, including 25 individuals who are on a waiting list. There are about 70 availabletutors. Tutor training for prospective volunteers will be held June 17 and 18 at the Drake University School of Education, 3206 University Ave. Registration is required and can be completed by contacting Anne Murr atanne.murr@drake.edu or 515-271-3982.