That is the correct spelling of "mastering" (learning an art, or making a recording).
Mastering, no joke.
Mastering Perl was created in 2007.
Mastering Witchcraft was created in 1970.
Mastering the Universe has 240 pages.
Mastering the violin is generally considered more challenging than mastering the piano due to the technical demands of the instrument, such as bowing techniques and intonation control.
Mastering the Universe was created on 2005-07-11.
mastering group skills mean to master what they know
Gerard O'Donnell has written: 'Mastering sociology' -- subject(s): Sociology 'Mastering Sociology' 'Mastering Sociology' 'Sociology Today'
The ISBN of Mastering the Universe is 1-578-60223-8.
she learned how to spell She walked funny she won a nobel prize
The abstract noun form of the concrete noun master is mastery.The abstract noun form of the verb to master is the gerund, mastering.
try mastering solar power. try mastering solar power.