Ecommerce HR-Authorized Ways to Tell Coworkers They're Dumb: Packed with Witty Jokes, Humor And HR-Approved Office Pranks (Funny Gifts For Coworkers) 4.4 out of 5 stars(445364) $14.99 (as of 09:29 GMT -05:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.) The Mountain Is You: Transforming Self-Sabotage into Self-Mastery 4.6 out of 5 stars(46524679) $4.99 (as of 09:29 GMT -05:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.) Never Split the Difference: Negotiating as if Your Life Depended on It 4.7 out of 5 stars(47547848) $24.47 (as of 09:29 GMT -05:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.) Shot Ready 4.7 out of 5 stars(475240) $33.00 (as of 09:29 GMT -05:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.) Think And Grow Rich 4.6 out of 5 stars(46528436) $15.00 (as of 09:29 GMT -05:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)