This SPEC Kit investigates two broad categories of benefit plans currently offered to professional library staff at ARL member libraries: leave time and support for professional development activities. Topics include benefits eligibility; holiday and intersession leave; plan designs and accrual rates for paid time off (PTO), vacation, and sick leave; and professional development leaves such as dedicated research time and sabbaticals. Other professional development topics include financial support and relief from duties for conference attendance; funding for professional association memberships; and financial and other support for college credit course work, internships, and certifications.--From publisher description.