"Mandate for Leadership: The Conservative Promise" is a book produced by the Project 2025, a coalition of over 50 conservative organizations. The book contains policy prescriptions for the next conservative presidential administration, outlining how major federal agencies should be governed and who should lead them. The book features contributions from leading conservative thinkers and former government officials, including prominent figures from the Trump administration, and aims to equip the next conservative president and their team with the knowledge and personnel needed to implement a conservative agenda.