The cross section for open-beauty production in photon-photon collisions is measured using the whole high-energy and high-luminosity data sample collected by the L3 detector at LEP. This corresponds to 627/pb of integrated luminosity for electron-positron

e

γ

e b¯be+

γ

e+

Direct

e

γg

e

spectatorjetb

γ

¯be+

e+

Singleresolved

Figure1:Dominantdiagramscontributingtoopen-beautyproductioninphoton-photoncolli-sionsatLEP.