'What he did is phenomenal.' Daniel Green, Daily Guide
'… an indispensable reference for historians, comet researchers, and true enthusiasts of the field … the book's value is inestimable and I can only give [it] my highest praise.' Sky Telescope
'… a valuable reference for scientists and historians in many fields.' Choice
'… a treasure trove of information and each entry stands on its own.' The Journal of the British Astronomical Association
'Cometography has been beautifully produced, and it is a thorough, definitive, well referenced, comprehensive, and easily accessible work of scholarship. For historians, scientific or otherwise, this will be a 'first stop' for information about ancient comets. Looking into the future, it will be a rare month that I will not refer to it.' David W. Hughes, The Observatory
'This marvellous book was clearly a labour of love. It is a treasure, and will be appreciated for much longer than the century it covers.' New Scientist
'… sure to become the standard cometary reference source .. Every library with a comet section should invest in the Cometography series. Congratulations to Gary Kronk on a lifetime of scholarly achievement.' Contemporary Physics
'… ambitious attempt to catalogue all recorded comets through history … the sheer volume of information contained in this book … is a very useful work of reference.' Journal of Geological Magazine
'… an exhaustive reference work, giving you not only data such as distances from the Sun, but also the impact of comets on various cultures.' BBC Sky at Night
'… truly impressive and extremely useful …' The Observatory
'This volume contains all the descriptions that you could ever want of the comets of the first decades of the twentieth century … [it] is an invaluable reference, being a compendium of most of the readily accessible descriptions of comets … a must for comet anoraks.' Jonathan Shanklin, Journal of the British Astronomical Association
'Cometography is a catalog of every comet ever recorded by humans. It is an outstanding reference work, that is a must for any astronomer, both amateur or professional, and for any observatories or institute library. It is the number one source when searching on yesterday's comets.' Reviews of Astronomical Tools