Plants from Test Tubes: An Introduction to Micropropagation, 4th Edition (2013), by H Scoggins & M Bridgen, Timber Press; ISBN-10: 1604692065, ISBN-13: 978-1604692068
Plant Tissue Culture, Techniques and Experiments 3rd Edition by R H Smith, Academic Press, (2012), ISBN-10: 0124159206, ISBN-13: 978-0124159204
Hartmann and Kester's Plant Propagation: Principles and Practices 8th Edition by H Hartmann, D E. Kester, FT. Davies & R Geneve, Prentice Hall, (2010), ISBN-10: 0135014492, ISBN-13: 978-0135014493
The RHS libraries hold some micropropagation books, available to visitors. These can also be borrowed, by post if necessary, by RHS members. There is an online library catalogue.
"Micropropagation in Horticulture", by S Gunn The Plantsman (new series) Vol. 5 (2006) pp238–243
"Saving historic Cornish plants [using micropropagation]", by B Robson The Plantsman (new series) Vol. 6 (2007) pp18–23
The RHS libraries can, for a fee, provide photocopies, by post if necessary.
Micropropagation for schools using African Violet leaves.
Micropropagation at home.
Many videos are available on-line, such as:
Micropropagation at Royal Botanic Gardens Kew