**Author contributions**

T.P. and F.C. wrote the "Overview of antibody structure and most common formats" section; J.O. and J.M. wrote the "Antibody display libraries" section; R.A. wrote the "Antibody design via in silico modeling" section; B.H., G.S., and C.B. wrote the "Mammalian production systems" section; E.S. wrote the "Bacterial and yeast production systems" section; C.B. wrote the "Plant-based antibody production systems" section; and J.M. drafted the "Conclusions" section. All authors contributed critically to the chapter preparation.
