Jonathan's Funny Funky Fish: A Spot the differences book includes fourteen pairs of similar illustrations, along with accompanying pages of solutions. The reader is encouraged to spot five differences between two pictures. Solutions are shown as pictures with differences circled in pencil. All characters shown in this book are original creations. Pictures are drawn in the style of cartoons. The tone of the book is light and humorous. The names of the characters are based on word play such as puns and alliteration. Besides being challenging, spot the differences books can be entertaining and amusing to read. Jonathan's Funny Funky Fish was designed to be all three: challenging, entertaining and amusing.