Complex sentence: Upon the printing of the book on 29 March 1876, Carroll gave away eighty signed copies to his favourite young friends; in a typical fashion, he signed them with short poems, many of them acrostics of the child's name.
Split into simpler sentences: Upon the printing of the book on 29 March 1876, Carroll sent eighty signed copies to his favourite child friends. In a typical fashion, he signed them with short poems, many of them acrostics of the child's name.