God's call to service -- The call to young people -- Conditions among God's people -- World conditions facing the christian worker -- The church a training center -- Students to do missionary work while in training -- Cooperation of ministers and laymen -- Organizing christian forces -- The call to arouse -- Methods -- Medical missionary work -- Bible evangelism -- Ministry of the printed page -- Religious liberty -- Harve ingathering -- The church expansion movement -- Christian help work. The holy spirit -- Assurance of success -- Reward of service.