Some books require an actual monetary investment by the author â for example, in travel for research or, in the case of cookbook authors, money spent on ingredients for recipe testing and the cost of photographing food. The type of book the author writes affects the income potential.
Definition of pullâup for English Language Learners. : an exercise in which you hold onto a bar above your head and then pull your body up until your chin is above the bar.
Do pull ups. Pull ups are a very challenging exercise that target a whole range of muscles groups, including muscles in the back, chest, shoulders and abdominals, as well as the biceps and lower arms. To perform a pull up you will need an exercise bar, and if you're new to pull-ups, an assisted band.