if you have the opportunity such as elastic bands that allow you to add a wide variety of exercises and thus complete your program. This type of accessory does not take up much Mega Maximus space and has a very good value when looking at the cost to the number of movements they allow for. For more examples, please to view the file below which offers training programs for the whole body without equipment, but also programs for the arms, legs or the chest.
And bodybuilding books without equipment?
There are also several exercise books without equipment, the most famous is the Lafay method.